400423000324004 has 18 divisors (see below), whose sum is σ = 815146822088550. Its totient is φ = 171609857281632.

The previous prime is 400423000323919. The next prime is 400423000324021.

400423000324004 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 397649543087104 + 2773457236900 = 19941152^2 + 1665370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021487245529 + ... + 1021487245920.

It is an arithmetic number, because the mean of its divisors is an integer number (45285934560475).

Almost surely, 2^{400423000324004} is an apocalyptic number.

It is an amenable number.

400423000324004 is an abundant number, since it is smaller than the sum of its proper divisors (414723821764546).

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

400423000324004 is a wasteful number, since it uses less digits than its factorization.

400423000324004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042974491467 (or 2042974491458 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

It can be divided in two parts, 400423000 and 324004, that added together give a palindrome (400747004).

The spelling of 400423000324004 in words is "four hundred trillion, four hundred twenty-three billion, three hundred twenty-four thousand, four".