402534335115144 has 96 divisors (see below), whose sum is σ = 1099136345481720. Its totient is φ = 133082385481728.

The previous prime is 402534335115049. The next prime is 402534335115221. The reversal of 402534335115144 is 441511533435204.

402534335115144 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 3 + 43 + 3 + 511 + 51 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 314702987616900 + 87831347498244 = 17739870^2 + 9371838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402534335115144.

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, 42370777 + ... + 50993640.

Almost surely, 2^{402534335115144} is an apocalyptic number.

It is an amenable number.

402534335115144 is an abundant number, since it is smaller than the sum of its proper divisors (696602010366576).

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

402534335115144 is a wasteful number, since it uses less digits than its factorization.

402534335115144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93364919 (or 93364912 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 402534335115144 in words is "four hundred two trillion, five hundred thirty-four billion, three hundred thirty-five million, one hundred fifteen thousand, one hundred forty-four".