395704890432 has 42 divisors (see below), whose sum is σ = 1134216623358. Its totient is φ = 131901629952.

The previous prime is 395704890359. The next prime is 395704890479. The reversal of 395704890432 is 234098407593.

395704890432 is a `hidden beast` number, since 3 + 95 + 70 + 489 + 0 + 4 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 390455018496 + 5249871936 = 624864^2 + 72456^2 .

It is a super-2 number, since 2×395704890432² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343493253 + ... + 343494404.

It is an arithmetic number, because the mean of its divisors is an integer number (27005157699).

Almost surely, 2^395704890432 is an apocalyptic number.

395704890432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

395704890432 is an abundant number, since it is smaller than the sum of its proper divisors (738511732926).

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

395704890432 is a wasteful number, since it uses less digits than its factorization.

395704890432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686987675 (or 686987662 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 395704890432 in words is "three hundred ninety-five billion, seven hundred four million, eight hundred ninety thousand, four hundred thirty-two".