402253515525544 has 64 divisors (see below), whose sum is σ = 756721929680640. Its totient is φ = 200462105733120.

The previous prime is 402253515525493. The next prime is 402253515525571. The reversal of 402253515525544 is 445525515352204.

It is a junction number, because it is equal to n+sod(n) for n = 402253515525491 and 402253515525500.

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, 16676473804 + ... + 16676497924.

It is an arithmetic number, because the mean of its divisors is an integer number (11823780151260).

Almost surely, 2^{402253515525544} is an apocalyptic number.

It is an amenable number.

402253515525544 is a deficient number, since it is larger than the sum of its proper divisors (354468414155096).

402253515525544 is a wasteful number, since it uses less digits than its factorization.

402253515525544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29570 (or 29566 counting only the distinct ones).

The product of its (nonzero) digits is 24000000, while the sum is 52.

The spelling of 402253515525544 in words is "four hundred two trillion, two hundred fifty-three billion, five hundred fifteen million, five hundred twenty-five thousand, five hundred forty-four".