402254054312320 has 128 divisors (see below), whose sum is σ = 1106391486312000. Its totient is φ = 136990066974720.

The previous prime is 402254054312317. The next prime is 402254054312351. The reversal of 402254054312320 is 23213450452204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 402254054312320.

It is a congruent number.

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, 300637351 + ... + 301972390.

Almost surely, 2^{402254054312320} is an apocalyptic number.

402254054312320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402254054312320 is an abundant number, since it is smaller than the sum of its proper divisors (704137431999680).

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

402254054312320 is a wasteful number, since it uses less digits than its factorization.

402254054312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602609916 (or 602609904 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 402254054312320 in words is "four hundred two trillion, two hundred fifty-four billion, fifty-four million, three hundred twelve thousand, three hundred twenty".