400246563155 has 16 divisors (see below), whose sum is σ = 506809535040. Its totient is φ = 302834323968.

The previous prime is 400246563139. The next prime is 400246563203. The reversal of 400246563155 is 551365642004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400246563155 - 2⁴ = 400246563139 is a prime.

It is a super-2 number, since 2×400246563155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19542602 + ... + 19563071.

It is an arithmetic number, because the mean of its divisors is an integer number (31675595940).

Almost surely, 2^400246563155 is an apocalyptic number.

400246563155 is a deficient number, since it is larger than the sum of its proper divisors (106562971885).

400246563155 is a wasteful number, since it uses less digits than its factorization.

400246563155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39105790.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 400246563155 in words is "four hundred billion, two hundred forty-six million, five hundred sixty-three thousand, one hundred fifty-five".