42605607231 has 48 divisors (see below), whose sum is σ = 69742632960. Its totient is φ = 25777077120.

The previous prime is 42605607229. The next prime is 42605607241. The reversal of 42605607231 is 13270650624.

42605607231 is a `hidden beast` number, since 4 + 2 + 60 + 560 + 7 + 2 + 31 = 666.

It is not a de Polignac number, because 42605607231 - 2¹ = 42605607229 is a prime.

It is a super-2 number, since 2×42605607231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42605607241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1571650 + ... + 1598528.

It is an arithmetic number, because the mean of its divisors is an integer number (1452971520).

Almost surely, 2^42605607231 is an apocalyptic number.

42605607231 is a deficient number, since it is larger than the sum of its proper divisors (27137025729).

42605607231 is a wasteful number, since it uses less digits than its factorization.

42605607231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27498 (or 27486 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 42605607231 in words is "forty-two billion, six hundred five million, six hundred seven thousand, two hundred thirty-one".