405970316964 has 81 divisors (see below), whose sum is σ = 1037268687819. Its totient is φ = 133879638960.

The previous prime is 405970316959. The next prime is 405970316971. The reversal of 405970316964 is 469613079504.

The square root of 405970316964 is 637158.

It is a perfect power (a square), and thus also a powerful number.

405970316964 is a `hidden beast` number, since 40 + 597 + 0 + 3 + 1 + 6 + 9 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 405970316964.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 393763129 + ... + 393764159.

Almost surely, 2^405970316964 is an apocalyptic number.

405970316964 is the 637158-th square number.

It is an amenable number.

405970316964 is an abundant number, since it is smaller than the sum of its proper divisors (631298370855).

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

405970316964 is a wasteful number, since it uses less digits than its factorization.

405970316964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 405970316964 in words is "four hundred five billion, nine hundred seventy million, three hundred sixteen thousand, nine hundred sixty-four".