42747819900 has 36 divisors (see below), whose sum is σ = 123683693112. Its totient is φ = 11399418560.

The previous prime is 42747819899. The next prime is 42747819929. The reversal of 42747819900 is 991874724.

It is a super-2 number, since 2×42747819900² (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 in 11 ways as a sum of consecutive naturals, for example, 71246067 + ... + 71246666.

It is an arithmetic number, because the mean of its divisors is an integer number (3435658142).

Almost surely, 2^42747819900 is an apocalyptic number.

It is an amenable number.

42747819900 is an abundant number, since it is smaller than the sum of its proper divisors (80935873212).

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

42747819900 is a wasteful number, since it uses less digits than its factorization.

42747819900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142492750 (or 142492743 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 42747819900 in words is "forty-two billion, seven hundred forty-seven million, eight hundred nineteen thousand, nine hundred".