3565402420 has 24 divisors (see below), whose sum is σ = 7610091048. Its totient is φ = 1402780800.

The previous prime is 3565402409. The next prime is 3565402427. The reversal of 3565402420 is 242045653.

It can be written as a sum of positive squares in 4 ways, for example, as 132848676 + 3432553744 = 11526^2 + 58588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565402427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460011 + ... + 1462450.

It is an arithmetic number, because the mean of its divisors is an integer number (317087127).

Almost surely, 2^3565402420 is an apocalyptic number.

It is an amenable number.

3565402420 is an abundant number, since it is smaller than the sum of its proper divisors (4044688628).

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

3565402420 is a wasteful number, since it uses less digits than its factorization.

3565402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922531 (or 2922529 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3565402420 is about 59710.9907805925. The cubic root of 3565402420 is about 1527.6933387906.

The spelling of 3565402420 in words is "three billion, five hundred sixty-five million, four hundred two thousand, four hundred twenty".