408472502805 has 80 divisors (see below), whose sum is σ = 780318088704. Its totient is φ = 203946336000.

The previous prime is 408472502791. The next prime is 408472502827. The reversal of 408472502805 is 508205274804.

408472502805 is a `hidden beast` number, since 40 + 84 + 7 + 250 + 280 + 5 = 666.

It is not a de Polignac number, because 408472502805 - 2⁶ = 408472502741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28696 + ... + 904305.

Almost surely, 2^408472502805 is an apocalyptic number.

408472502805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

408472502805 is a deficient number, since it is larger than the sum of its proper divisors (371845585899).

408472502805 is a wasteful number, since it uses less digits than its factorization.

408472502805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933088 (or 933079 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 408472502805 in words is "four hundred eight billion, four hundred seventy-two million, five hundred two thousand, eight hundred five".