42646877824 has 32 divisors (see below), whose sum is σ = 89958262500. Its totient is φ = 20069117952.

The previous prime is 42646877743. The next prime is 42646877837. The reversal of 42646877824 is 42877864624.

It can be written as a sum of positive squares in 2 ways, for example, as 39137500224 + 3509377600 = 197832^2 + 59240^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9797199 + ... + 9801550.

Almost surely, 2^42646877824 is an apocalyptic number.

It is an amenable number.

42646877824 is an abundant number, since it is smaller than the sum of its proper divisors (47311384676).

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

42646877824 is a wasteful number, since it uses less digits than its factorization.

42646877824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19598780 (or 19598768 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 58.

The spelling of 42646877824 in words is "forty-two billion, six hundred forty-six million, eight hundred seventy-seven thousand, eight hundred twenty-four".