42499257182 has 4 divisors (see below), whose sum is σ = 63748885776. Its totient is φ = 21249628590.

The previous prime is 42499257167. The next prime is 42499257221. The reversal of 42499257182 is 28175299424.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42499257182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10624814294 + ... + 10624814297.

It is an arithmetic number, because the mean of its divisors is an integer number (15937221444).

Almost surely, 2^42499257182 is an apocalyptic number.

42499257182 is a deficient number, since it is larger than the sum of its proper divisors (21249628594).

42499257182 is a wasteful number, since it uses less digits than its factorization.

42499257182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21249628593.

The product of its digits is 2903040, while the sum is 53.

The spelling of 42499257182 in words is "forty-two billion, four hundred ninety-nine million, two hundred fifty-seven thousand, one hundred eighty-two".