415561421616 has 40 divisors (see below), whose sum is σ = 1171127644224. Its totient is φ = 125927703360.

The previous prime is 415561421563. The next prime is 415561421623. The reversal of 415561421616 is 616124165514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393523546 + ... + 393524601.

Almost surely, 2^415561421616 is an apocalyptic number.

It is an amenable number.

415561421616 is an abundant number, since it is smaller than the sum of its proper divisors (755566222608).

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

415561421616 is a wasteful number, since it uses less digits than its factorization.

415561421616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787048169 (or 787048163 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The spelling of 415561421616 in words is "four hundred fifteen billion, five hundred sixty-one million, four hundred twenty-one thousand, six hundred sixteen".