400013320053 has 32 divisors (see below), whose sum is σ = 543005447040. Its totient is φ = 261890576640.

The previous prime is 400013320043. The next prime is 400013320067. The reversal of 400013320053 is 350023310004.

It is not a de Polignac number, because 400013320053 - 2²² = 400009125749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400013320043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37685575 + ... + 37696187.

It is an arithmetic number, because the mean of its divisors is an integer number (16968920220).

Almost surely, 2^400013320053 is an apocalyptic number.

It is an amenable number.

400013320053 is a deficient number, since it is larger than the sum of its proper divisors (142992126987).

400013320053 is a wasteful number, since it uses less digits than its factorization.

400013320053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 400013320053 its reverse (350023310004), we get a palindrome (750036630057).

The spelling of 400013320053 in words is "four hundred billion, thirteen million, three hundred twenty thousand, fifty-three".