400214442231 has 6 divisors (see below), whose sum is σ = 578087527680. Its totient is φ = 266809628148.

The previous prime is 400214442211. The next prime is 400214442263. The reversal of 400214442231 is 132244412004.

400214442231 is a `hidden beast` number, since 4 + 0 + 0 + 214 + 442 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 400214442231 - 2³⁰ = 399140700407 is a prime.

It is a super-2 number, since 2×400214442231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400214442195 and 400214442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400214442211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22234135671 + ... + 22234135688.

It is an arithmetic number, because the mean of its divisors is an integer number (96347921280).

Almost surely, 2^400214442231 is an apocalyptic number.

400214442231 is a deficient number, since it is larger than the sum of its proper divisors (177873085449).

400214442231 is a wasteful number, since it uses less digits than its factorization.

400214442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44468271365 (or 44468271362 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 400214442231 its reverse (132244412004), we get a palindrome (532458854235).

The spelling of 400214442231 in words is "four hundred billion, two hundred fourteen million, four hundred forty-two thousand, two hundred thirty-one".