405625660552 has 16 divisors (see below), whose sum is σ = 869197844160. Its totient is φ = 173839568784.

The previous prime is 405625660529. The next prime is 405625660589. The reversal of 405625660552 is 255066526504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3621657628 + ... + 3621657739.

It is an arithmetic number, because the mean of its divisors is an integer number (54324865260).

Almost surely, 2^405625660552 is an apocalyptic number.

It is an amenable number.

405625660552 is an abundant number, since it is smaller than the sum of its proper divisors (463572183608).

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

405625660552 is a wasteful number, since it uses less digits than its factorization.

405625660552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243315380 (or 7243315376 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 405625660552 in words is "four hundred five billion, six hundred twenty-five million, six hundred sixty thousand, five hundred fifty-two".