42636444228 has 48 divisors (see below), whose sum is σ = 126330207360. Its totient is φ = 12181840992.

The previous prime is 42636444203. The next prime is 42636444241. The reversal of 42636444228 is 82244463624.

42636444228 is a `hidden beast` number, since 4 + 2 + 636 + 4 + 4 + 4 + 2 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28197951 + ... + 28199462.

It is an arithmetic number, because the mean of its divisors is an integer number (2631879320).

Almost surely, 2^42636444228 is an apocalyptic number.

It is an amenable number.

42636444228 is an abundant number, since it is smaller than the sum of its proper divisors (83693763132).

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

42636444228 is a wasteful number, since it uses less digits than its factorization.

42636444228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56397433 (or 56397425 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 45.

The spelling of 42636444228 in words is "forty-two billion, six hundred thirty-six million, four hundred forty-four thousand, two hundred twenty-eight".