42490676331 has 20 divisors (see below), whose sum is σ = 63480641400. Its totient is φ = 28324031616.

The previous prime is 42490676323. The next prime is 42490676363. The reversal of 42490676331 is 13367609424.

42490676331 is a `hidden beast` number, since 4 + 2 + 4 + 9 + 0 + 6 + 7 + 633 + 1 = 666.

It is not a de Polignac number, because 42490676331 - 2³ = 42490676323 is a prime.

It is a super-2 number, since 2×42490676331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42490676311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 907780 + ... + 953438.

It is an arithmetic number, because the mean of its divisors is an integer number (3174032070).

Almost surely, 2^42490676331 is an apocalyptic number.

42490676331 is a deficient number, since it is larger than the sum of its proper divisors (20989965069).

42490676331 is a wasteful number, since it uses less digits than its factorization.

42490676331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57160 (or 57151 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 42490676331 in words is "forty-two billion, four hundred ninety million, six hundred seventy-six thousand, three hundred thirty-one".