402440455208376 has 96 divisors (see below), whose sum is σ = 1173927184990560. Its totient is φ = 123812796877056.

The previous prime is 402440455208333. The next prime is 402440455208387. The reversal of 402440455208376 is 673802554044204.

It is a happy number.

402440455208376 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 4 + 0 + 4 + 552 + 0 + 83 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18389340 + ... + 33809003.

It is an arithmetic number, because the mean of its divisors is an integer number (12228408176985).

Almost surely, 2^{402440455208376} is an apocalyptic number.

It is an amenable number.

402440455208376 is an abundant number, since it is smaller than the sum of its proper divisors (771486729782184).

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

402440455208376 is a wasteful number, since it uses less digits than its factorization.

402440455208376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52206605 (or 52206598 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 54.

The spelling of 402440455208376 in words is "four hundred two trillion, four hundred forty billion, four hundred fifty-five million, two hundred eight thousand, three hundred seventy-six".