42498645982 has 24 divisors (see below), whose sum is σ = 69053360544. Its totient is φ = 19607799744.

The previous prime is 42498645977. The next prime is 42498645989. The reversal of 42498645982 is 28954689424.

It is a super-2 number, since 2×42498645982² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42498645982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42498645989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000978 + ... + 1042570.

It is an arithmetic number, because the mean of its divisors is an integer number (2877223356).

Almost surely, 2^42498645982 is an apocalyptic number.

42498645982 is a deficient number, since it is larger than the sum of its proper divisors (26554714562).

42498645982 is a wasteful number, since it uses less digits than its factorization.

42498645982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44644 (or 44631 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 42498645982 in words is "forty-two billion, four hundred ninety-eight million, six hundred forty-five thousand, nine hundred eighty-two".