408152775136 has 36 divisors (see below), whose sum is σ = 838523373912. Its totient is φ = 195195211904.

The previous prime is 408152775097. The next prime is 408152775167. The reversal of 408152775136 is 631577251804.

It is a self number, because there is not a number n which added to its sum of digits gives 408152775136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17320290 + ... + 17343838.

It is an arithmetic number, because the mean of its divisors is an integer number (23292315942).

Almost surely, 2^408152775136 is an apocalyptic number.

408152775136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

408152775136 is the 341490-th centered heptagonal number.

It is an amenable number.

408152775136 is an abundant number, since it is smaller than the sum of its proper divisors (430370598776).

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

408152775136 is an frugal number, since it uses more digits than its factorization.

408152775136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47131 (or 23574 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 408152775136 in words is "four hundred eight billion, one hundred fifty-two million, seven hundred seventy-five thousand, one hundred thirty-six".