42252432020631 has 16 divisors (see below), whose sum is σ = 71538509241600. Its totient is φ = 24144246868824.

The previous prime is 42252432020581. The next prime is 42252432020633. The reversal of 42252432020631 is 13602023425224.

42252432020631 is a `hidden beast` number, since 4 + 2 + 252 + 4 + 320 + 20 + 63 + 1 = 666.

It is not a de Polignac number, because 42252432020631 - 2⁶ = 42252432020567 is a prime.

It is a super-2 number, since 2×42252432020631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252432020633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111778920501 + ... + 111778920878.

It is an arithmetic number, because the mean of its divisors is an integer number (4471156827600).

Almost surely, 2^{42252432020631} is an apocalyptic number.

42252432020631 is a deficient number, since it is larger than the sum of its proper divisors (29286077220969).

42252432020631 is a wasteful number, since it uses less digits than its factorization.

42252432020631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223557841395 (or 223557841389 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 42252432020631 its reverse (13602023425224), we get a palindrome (55854455445855).

The spelling of 42252432020631 in words is "forty-two trillion, two hundred fifty-two billion, four hundred thirty-two million, twenty thousand, six hundred thirty-one".