402754778840104 has 64 divisors (see below), whose sum is σ = 770302445875200. Its totient is φ = 197349687684864.

The previous prime is 402754778840047. The next prime is 402754778840137. The reversal of 402754778840104 is 401048877457204.

It is a super-2 number, since 2×402754778840104² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467858094 + ... + 1468132450.

It is an arithmetic number, because the mean of its divisors is an integer number (12035975716800).

Almost surely, 2^{402754778840104} is an apocalyptic number.

It is an amenable number.

402754778840104 is a deficient number, since it is larger than the sum of its proper divisors (367547667035096).

402754778840104 is a wasteful number, since it uses less digits than its factorization.

402754778840104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278402 (or 278398 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 61.

The spelling of 402754778840104 in words is "four hundred two trillion, seven hundred fifty-four billion, seven hundred seventy-eight million, eight hundred forty thousand, one hundred four".