400113564220 has 48 divisors (see below), whose sum is σ = 860838124608. Its totient is φ = 156122647040.

The previous prime is 400113564211. The next prime is 400113564241. The reversal of 400113564220 is 22465311004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7909929 + ... + 7960351.

It is an arithmetic number, because the mean of its divisors is an integer number (17934127596).

Almost surely, 2^400113564220 is an apocalyptic number.

It is an amenable number.

400113564220 is an abundant number, since it is smaller than the sum of its proper divisors (460724560388).

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

400113564220 is a wasteful number, since it uses less digits than its factorization.

400113564220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60150 (or 60148 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 400113564220 its reverse (22465311004), we get a palindrome (422578875224).

The spelling of 400113564220 in words is "four hundred billion, one hundred thirteen million, five hundred sixty-four thousand, two hundred twenty".