3925518464 has 32 divisors (see below), whose sum is σ = 8937566400. Its totient is φ = 1682364672.

The previous prime is 3925518439. The next prime is 3925518469. The reversal of 3925518464 is 4648155293.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×3925518464² = 30819390422409838592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3925518469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189684 + ... + 2191475.

It is an arithmetic number, because the mean of its divisors is an integer number (279298950).

Almost surely, 2^3925518464 is an apocalyptic number.

It is an amenable number.

3925518464 is an abundant number, since it is smaller than the sum of its proper divisors (5012047936).

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

3925518464 is an equidigital number, since it uses as much as digits as its factorization.

3925518464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381180 (or 4381168 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 3925518464 is about 62653.9580872589. The cubic root of 3925518464 is about 1577.4865854966.

The spelling of 3925518464 in words is "three billion, nine hundred twenty-five million, five hundred eighteen thousand, four hundred sixty-four".