400053013100 has 72 divisors (see below), whose sum is σ = 939086144640. Its totient is φ = 147049390080.

The previous prime is 400053013097. The next prime is 400053013121. The reversal of 400053013100 is 1310350004.

It is a super-2 number, since 2×400053013100² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400085 + ... + 979884.

It is an arithmetic number, because the mean of its divisors is an integer number (13042863120).

Almost surely, 2^400053013100 is an apocalyptic number.

It is an amenable number.

400053013100 is an abundant number, since it is smaller than the sum of its proper divisors (539033131540).

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

400053013100 is a wasteful number, since it uses less digits than its factorization.

400053013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380219 (or 1380212 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 400053013100 its reverse (1310350004), we get a palindrome (401363363104).

The spelling of 400053013100 in words is "four hundred billion, fifty-three million, thirteen thousand, one hundred".