42386912828 has 24 divisors (see below), whose sum is σ = 80097228288. Its totient is φ = 19510733376.

The previous prime is 42386912779. The next prime is 42386912849. The reversal of 42386912828 is 82821968324.

It is a self number, because there is not a number n which added to its sum of digits gives 42386912828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073276 + ... + 1112067.

It is an arithmetic number, because the mean of its divisors is an integer number (3337384512).

Almost surely, 2^42386912828 is an apocalyptic number.

It is an amenable number.

42386912828 is a deficient number, since it is larger than the sum of its proper divisors (37710315460).

42386912828 is a wasteful number, since it uses less digits than its factorization.

42386912828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185733 (or 2185731 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The spelling of 42386912828 in words is "forty-two billion, three hundred eighty-six million, nine hundred twelve thousand, eight hundred twenty-eight".