42631332550405 has 24 divisors (see below), whose sum is σ = 52024974142752. Its totient is φ = 33536306232000.

The previous prime is 42631332550399. The next prime is 42631332550453. The reversal of 42631332550405 is 50405523313624.

It is not a de Polignac number, because 42631332550405 - 2⁴⁵ = 7446960461573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64621870 + ... + 65278240.

It is an arithmetic number, because the mean of its divisors is an integer number (2167707255948).

Almost surely, 2^{42631332550405} is an apocalyptic number.

It is an amenable number.

42631332550405 is a deficient number, since it is larger than the sum of its proper divisors (9393641592347).

42631332550405 is an equidigital number, since it uses as much as digits as its factorization.

42631332550405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659989 (or 659928 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 42631332550405 in words is "forty-two trillion, six hundred thirty-one billion, three hundred thirty-two million, five hundred fifty thousand, four hundred five".