42645676044 has 48 divisors (see below), whose sum is σ = 106247699712. Its totient is φ = 13280955072.

The previous prime is 42645676033. The next prime is 42645676063. The reversal of 42645676044 is 44067654624.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42645675984 and 42645676002.

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, 1784799 + ... + 1808534.

It is an arithmetic number, because the mean of its divisors is an integer number (2213493744).

Almost surely, 2^42645676044 is an apocalyptic number.

It is an amenable number.

42645676044 is an abundant number, since it is smaller than the sum of its proper divisors (63602023668).

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

42645676044 is a wasteful number, since it uses less digits than its factorization.

42645676044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593406 (or 3593404 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 42645676044 in words is "forty-two billion, six hundred forty-five million, six hundred seventy-six thousand, forty-four".