612615504064 has 56 divisors (see below), whose sum is σ = 1221621575040. Its totient is φ = 304808054784.

The previous prime is 612615504029. The next prime is 612615504089. The reversal of 612615504064 is 460405516216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14836792 + ... + 14878024.

Almost surely, 2^612615504064 is an apocalyptic number.

612615504064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

612615504064 is a deficient number, since it is larger than the sum of its proper divisors (609006070976).

612615504064 is a wasteful number, since it uses less digits than its factorization.

612615504064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377 (or 42367 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 612615504064 in words is "six hundred twelve billion, six hundred fifteen million, five hundred four thousand, sixty-four".