395625520 has 40 divisors (see below), whose sum is σ = 923155200. Its totient is φ = 157678080.

The previous prime is 395625493. The next prime is 395625521. The reversal of 395625520 is 25526593.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 395625520.

It is not an unprimeable number, because it can be changed into a prime (395625521) 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, 13681 + ... + 31279.

It is an arithmetic number, because the mean of its divisors is an integer number (23078880).

Almost surely, 2^395625520 is an apocalyptic number.

It is an amenable number.

395625520 is an abundant number, since it is smaller than the sum of its proper divisors (527529680).

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

395625520 is a wasteful number, since it uses less digits than its factorization.

395625520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17893 (or 17887 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 395625520 is about 19890.3373525941. The cubic root of 395625520 is about 734.1104947411.

The spelling of 395625520 in words is "three hundred ninety-five million, six hundred twenty-five thousand, five hundred twenty".