3257950920 has 128 divisors (see below), whose sum is σ = 11655843840. Its totient is φ = 712293120.

The previous prime is 3257950903. The next prime is 3257950951. The reversal of 3257950920 is 290597523.

It is a super-2 number, since 2×3257950920² = 21228488394257692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 64996 + ... + 103635.

It is an arithmetic number, because the mean of its divisors is an integer number (91061280).

Almost surely, 2^3257950920 is an apocalyptic number.

3257950920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3257950920 is an abundant number, since it is smaller than the sum of its proper divisors (8397892920).

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

3257950920 is a wasteful number, since it uses less digits than its factorization.

3257950920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168675 (or 168671 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 3257950920 is about 57078.4628384472. The cubic root of 3257950920 is about 1482.4549771292.

The spelling of 3257950920 in words is "three billion, two hundred fifty-seven million, nine hundred fifty thousand, nine hundred twenty".