42788544100 has 36 divisors (see below), whose sum is σ = 92865150000. Its totient is φ = 17112835360.

The previous prime is 42788544091. The next prime is 42788544133. The reversal of 42788544100 is 144588724.

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, 721371 + ... + 778429.

It is an arithmetic number, because the mean of its divisors is an integer number (2579587500).

Almost surely, 2^42788544100 is an apocalyptic number.

It is an amenable number.

42788544100 is an abundant number, since it is smaller than the sum of its proper divisors (50076605900).

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

42788544100 is a wasteful number, since it uses less digits than its factorization.

42788544100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64572 (or 64565 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 42788544100 in words is "forty-two billion, seven hundred eighty-eight million, five hundred forty-four thousand, one hundred".