408972069407344 has 20 divisors (see below), whose sum is σ = 792385405247224. Its totient is φ = 204485513214528.

The previous prime is 408972069407323. The next prime is 408972069407381. The reversal of 408972069407344 is 443704960279804.

It is a super-2 number, since 2×408972069407344² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 408972069407344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26083707 + ... + 38707930.

Almost surely, 2^{408972069407344} is an apocalyptic number.

It is an amenable number.

408972069407344 is a deficient number, since it is larger than the sum of its proper divisors (383413335839880).

408972069407344 is a wasteful number, since it uses less digits than its factorization.

408972069407344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65186152 (or 65186146 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 67.

The spelling of 408972069407344 in words is "four hundred eight trillion, nine hundred seventy-two billion, sixty-nine million, four hundred seven thousand, three hundred forty-four".