400556331141233 has 16 divisors (see below), whose sum is σ = 401990635537920. Its totient is φ = 399123948941376.

The previous prime is 400556331141229. The next prime is 400556331141277. The reversal of 400556331141233 is 332141133655004.

It is a cyclic number.

It is not a de Polignac number, because 400556331141233 - 2² = 400556331141229 is a prime.

It is a super-2 number, since 2×400556331141233² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400556331141283) 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 15 ways as a sum of consecutive naturals, for example, 6020382635 + ... + 6020449167.

It is an arithmetic number, because the mean of its divisors is an integer number (25124414721120).

Almost surely, 2^{400556331141233} is an apocalyptic number.

It is an amenable number.

400556331141233 is a deficient number, since it is larger than the sum of its proper divisors (1434304396687).

400556331141233 is a wasteful number, since it uses less digits than its factorization.

400556331141233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80656.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 400556331141233 its reverse (332141133655004), we get a palindrome (732697464796237).

The spelling of 400556331141233 in words is "four hundred trillion, five hundred fifty-six billion, three hundred thirty-one million, one hundred forty-one thousand, two hundred thirty-three".