409912379536 has 45 divisors (see below), whose sum is σ = 873029388819. Its totient is φ = 186311004000.

The previous prime is 409912379509. The next prime is 409912379551. The reversal of 409912379536 is 635973219904.

It is a happy number.

The square root of 409912379536 is 640244.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28163461 + ... + 28178011.

Almost surely, 2^409912379536 is an apocalyptic number.

409912379536 is the 640244-th square number.

It is an amenable number.

409912379536 is an abundant number, since it is smaller than the sum of its proper divisors (463117009283).

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

409912379536 is an frugal number, since it uses more digits than its factorization.

409912379536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29132 (or 14564 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 409912379536 in words is "four hundred nine billion, nine hundred twelve million, three hundred seventy-nine thousand, five hundred thirty-six".