3685475280 has 80 divisors (see below), whose sum is σ = 11733784704. Its totient is φ = 956229120.

The previous prime is 3685475273. The next prime is 3685475309. The reversal of 3685475280 is 825745863.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198636 + ... + 216395.

Almost surely, 2^3685475280 is an apocalyptic number.

3685475280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3685475280 is an abundant number, since it is smaller than the sum of its proper divisors (8048309424).

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

3685475280 is a wasteful number, since it uses less digits than its factorization.

3685475280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415084 (or 415078 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 3685475280 is about 60708.1154377238. The cubic root of 3685475280 is about 1544.6538368380.

The spelling of 3685475280 in words is "three billion, six hundred eighty-five million, four hundred seventy-five thousand, two hundred eighty".