400707530893042 has 4 divisors (see below), whose sum is σ = 601061296339566. Its totient is φ = 200353765446520.

The previous prime is 400707530893039. The next prime is 400707530893069. The reversal of 400707530893042 is 240398035707004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213124348290841 + 187583182602201 = 14598779^2 + 13696101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100176882723259 + ... + 100176882723262.

Almost surely, 2^{400707530893042} is an apocalyptic number.

400707530893042 is a deficient number, since it is larger than the sum of its proper divisors (200353765446524).

400707530893042 is a wasteful number, since it uses less digits than its factorization.

400707530893042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200353765446523.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 400707530893042 in words is "four hundred trillion, seven hundred seven billion, five hundred thirty million, eight hundred ninety-three thousand, forty-two".