400113274 has 32 divisors (see below), whose sum is σ = 668028672. Its totient is φ = 178200000.

The previous prime is 400113269. The next prime is 400113281. The reversal of 400113274 is 472311004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532399 + ... + 533149.

It is an arithmetic number, because the mean of its divisors is an integer number (20875896).

Almost surely, 2^400113274 is an apocalyptic number.

400113274 is a deficient number, since it is larger than the sum of its proper divisors (267915398).

400113274 is a wasteful number, since it uses less digits than its factorization.

400113274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 400113274 is about 20002.8316495440. The cubic root of 400113274 is about 736.8758439945.

Adding to 400113274 its reverse (472311004), we get a palindrome (872424278).

The spelling of 400113274 in words is "four hundred million, one hundred thirteen thousand, two hundred seventy-four".