3255215040 has 840 divisors, whose sum is σ = 14757483312. Its totient is φ = 673505280.

The previous prime is 3255215039. The next prime is 3255215059. The reversal of 3255215040 is 405125523.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (840).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3255214995 and 3255215013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13970764 + ... + 13970996.

Almost surely, 2^3255215040 is an apocalyptic number.

3255215040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3255215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7378741656).

3255215040 is an abundant number, since it is smaller than the sum of its proper divisors (11502268272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3255215040 is a wasteful number, since it uses less digits than its factorization.

3255215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3255215040 is about 57054.4918477064. The cubic root of 3255215040 is about 1482.0398946791.

The spelling of 3255215040 in words is "three billion, two hundred fifty-five million, two hundred fifteen thousand, forty".