400233173613 has 32 divisors (see below), whose sum is σ = 685349124096. Its totient is φ = 201933217728.

The previous prime is 400233173597. The next prime is 400233173621. The reversal of 400233173613 is 316371332004.

It is not a de Polignac number, because 400233173613 - 2⁴ = 400233173597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400233173513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31864495 + ... + 31877052.

It is an arithmetic number, because the mean of its divisors is an integer number (21417160128).

Almost surely, 2^400233173613 is an apocalyptic number.

It is an amenable number.

400233173613 is a deficient number, since it is larger than the sum of its proper divisors (285115950483).

400233173613 is a wasteful number, since it uses less digits than its factorization.

400233173613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63741593.

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 400233173613 in words is "four hundred billion, two hundred thirty-three million, one hundred seventy-three thousand, six hundred thirteen".