400113475 has 12 divisors (see below), whose sum is σ = 497843136. Its totient is φ = 318992480.

The previous prime is 400113437. The next prime is 400113487. The reversal of 400113475 is 574311004.

It is a de Polignac number, because none of the positive numbers 2^k-400113475 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19987 + ... + 34636.

It is an arithmetic number, because the mean of its divisors is an integer number (41486928).

Almost surely, 2^400113475 is an apocalyptic number.

400113475 is a deficient number, since it is larger than the sum of its proper divisors (97729661).

400113475 is a wasteful number, since it uses less digits than its factorization.

400113475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54926 (or 54921 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 400113475 is about 20002.8366738320. The cubic root of 400113475 is about 736.8759673863.

Adding to 400113475 its reverse (574311004), we get a palindrome (974424479).

The spelling of 400113475 in words is "four hundred million, one hundred thirteen thousand, four hundred seventy-five".