42506365542 has 32 divisors (see below), whose sum is σ = 87830467584. Its totient is φ = 13699951200.

The previous prime is 42506365537. The next prime is 42506365553. The reversal of 42506365542 is 24556360524.

It is a super-2 number, since 2×42506365542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42506365494 and 42506365503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120228 + ... + 315384.

It is an arithmetic number, because the mean of its divisors is an integer number (2744702112).

Almost surely, 2^42506365542 is an apocalyptic number.

42506365542 is an abundant number, since it is smaller than the sum of its proper divisors (45324102042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42506365542 is a wasteful number, since it uses less digits than its factorization.

42506365542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196364.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 42506365542 in words is "forty-two billion, five hundred six million, three hundred sixty-five thousand, five hundred forty-two".