416353256520 has 32 divisors (see below), whose sum is σ = 1249059769920. Its totient is φ = 111027535040.

The previous prime is 416353256519. The next prime is 416353256549. The reversal of 416353256520 is 25652353614.

It is a happy number.

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, 1734805116 + ... + 1734805355.

It is an arithmetic number, because the mean of its divisors is an integer number (39033117810).

Almost surely, 2^416353256520 is an apocalyptic number.

416353256520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

416353256520 is an abundant number, since it is smaller than the sum of its proper divisors (832706513400).

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

416353256520 is a wasteful number, since it uses less digits than its factorization.

416353256520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469610485 (or 3469610481 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 416353256520 in words is "four hundred sixteen billion, three hundred fifty-three million, two hundred fifty-six thousand, five hundred twenty".