42250616631 has 40 divisors (see below), whose sum is σ = 63642406784. Its totient is φ = 27932538960.

The previous prime is 42250616623. The next prime is 42250616641. The reversal of 42250616631 is 13661605224.

42250616631 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 0 + 6 + 16 + 631 = 666.

It is not a de Polignac number, because 42250616631 - 2³ = 42250616623 is a prime.

It is a super-2 number, since 2×42250616631² (a number of 22 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 (42250616641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6426576 + ... + 6433146.

Almost surely, 2^42250616631 is an apocalyptic number.

42250616631 is a deficient number, since it is larger than the sum of its proper divisors (21391790153).

42250616631 is a wasteful number, since it uses less digits than its factorization.

42250616631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233 (or 7224 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 42250616631 in words is "forty-two billion, two hundred fifty million, six hundred sixteen thousand, six hundred thirty-one".