42499172044 has 24 divisors (see below), whose sum is σ = 85041232640. Its totient is φ = 18204740496.

The previous prime is 42499172029. The next prime is 42499172059. The reversal of 42499172044 is 44027199424.

It is an interprime number because it is at equal distance from previous prime (42499172029) and next prime (42499172059).

It is a super-2 number, since 2×42499172044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42499171985 and 42499172003.

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 7 ways as a sum of consecutive naturals, for example, 326304 + ... + 437575.

Almost surely, 2^42499172044 is an apocalyptic number.

It is an amenable number.

42499172044 is an abundant number, since it is smaller than the sum of its proper divisors (42542060596).

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

42499172044 is a wasteful number, since it uses less digits than its factorization.

42499172044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765877 (or 765875 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 42499172044 in words is "forty-two billion, four hundred ninety-nine million, one hundred seventy-two thousand, forty-four".