345622315640 has 64 divisors (see below), whose sum is σ = 888948388800. Its totient is φ = 118471707648.

The previous prime is 345622315631. The next prime is 345622315733. The reversal of 345622315640 is 46513226543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090796 + ... + 1371524.

It is an arithmetic number, because the mean of its divisors is an integer number (13889818575).

Almost surely, 2^345622315640 is an apocalyptic number.

It is an amenable number.

345622315640 is an abundant number, since it is smaller than the sum of its proper divisors (543326073160).

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

345622315640 is a wasteful number, since it uses less digits than its factorization.

345622315640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285144 (or 285140 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 345622315640 in words is "three hundred forty-five billion, six hundred twenty-two million, three hundred fifteen thousand, six hundred forty".