345640633620 has 48 divisors (see below), whose sum is σ = 970103615040. Its totient is φ = 91950850816.

The previous prime is 345640633607. The next prime is 345640633649. The reversal of 345640633620 is 26336046543.

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, 6849177 + ... + 6899456.

It is an arithmetic number, because the mean of its divisors is an integer number (20210491980).

Almost surely, 2^345640633620 is an apocalyptic number.

345640633620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345640633620 is an abundant number, since it is smaller than the sum of its proper divisors (624462981420).

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

345640633620 is a wasteful number, since it uses less digits than its factorization.

345640633620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749064 (or 13749062 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 345640633620 in words is "three hundred forty-five billion, six hundred forty million, six hundred thirty-three thousand, six hundred twenty".