400214442131 has 16 divisors (see below), whose sum is σ = 459550414848. Its totient is φ = 341419838400.

The previous prime is 400214442109. The next prime is 400214442143. The reversal of 400214442131 is 131244412004.

It is a cyclic number.

It is not a de Polignac number, because 400214442131 - 2¹⁸ = 400214179987 is a prime.

It is a super-2 number, since 2×400214442131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400214442131.

It is not an unprimeable number, because it can be changed into a prime (400214442191) by changing a digit.

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, 6903536 + ... + 6961266.

It is an arithmetic number, because the mean of its divisors is an integer number (28721900928).

Almost surely, 2^400214442131 is an apocalyptic number.

400214442131 is a deficient number, since it is larger than the sum of its proper divisors (59335972717).

400214442131 is a wasteful number, since it uses less digits than its factorization.

400214442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62402.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 400214442131 its reverse (131244412004), we get a palindrome (531458854135).

The spelling of 400214442131 in words is "four hundred billion, two hundred fourteen million, four hundred forty-two thousand, one hundred thirty-one".