406880338736 has 20 divisors (see below), whose sum is σ = 788344469064. Its totient is φ = 203436604800.

The previous prime is 406880338681. The next prime is 406880338757. The reversal of 406880338736 is 637833088604.

It is a happy number.

It is a super-2 number, since 2×406880338736² (a number of 24 digits) contains 22 as substring.

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, 886196 + ... + 1264556.

Almost surely, 2^406880338736 is an apocalyptic number.

It is an amenable number.

406880338736 is a deficient number, since it is larger than the sum of its proper divisors (381464130328).

406880338736 is a wasteful number, since it uses less digits than its factorization.

406880338736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445580 (or 445574 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 406880338736 in words is "four hundred six billion, eight hundred eighty million, three hundred thirty-eight thousand, seven hundred thirty-six".