402270565631 has 32 divisors (see below), whose sum is σ = 449462200320. Its totient is φ = 356961132000.

The previous prime is 402270565607. The next prime is 402270565661. The reversal of 402270565631 is 136565072204.

It is not a de Polignac number, because 402270565631 - 2¹⁰ = 402270564607 is a prime.

It is a super-2 number, since 2×402270565631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402270565661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46624940 + ... + 46633566.

It is an arithmetic number, because the mean of its divisors is an integer number (14045693760).

Almost surely, 2^402270565631 is an apocalyptic number.

402270565631 is a deficient number, since it is larger than the sum of its proper divisors (47191634689).

402270565631 is a wasteful number, since it uses less digits than its factorization.

402270565631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 402270565631 in words is "four hundred two billion, two hundred seventy million, five hundred sixty-five thousand, six hundred thirty-one".