400312333230124 has 18 divisors (see below), whose sum is σ = 814921535504580. Its totient is φ = 171562428527112.

The previous prime is 400312333230113. The next prime is 400312333230127. The reversal of 400312333230124 is 421032333213004.

It is a happy number.

It is a super-2 number, since 2×400312333230124² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400312333230127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021204931514 + ... + 1021204931905.

Almost surely, 2^{400312333230124} is an apocalyptic number.

It is an amenable number.

400312333230124 is an abundant number, since it is smaller than the sum of its proper divisors (414609202274456).

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

400312333230124 is a wasteful number, since it uses less digits than its factorization.

400312333230124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042409863437 (or 2042409863428 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 400312333230124 its reverse (421032333213004), we get a palindrome (821344666443128).

The spelling of 400312333230124 in words is "four hundred trillion, three hundred twelve billion, three hundred thirty-three million, two hundred thirty thousand, one hundred twenty-four".