42438524664 has 16 divisors (see below), whose sum is σ = 106096311720. Its totient is φ = 14146174880.

The previous prime is 42438524567. The next prime is 42438524671. The reversal of 42438524664 is 46642583424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884135907 + ... + 884135954.

Almost surely, 2^42438524664 is an apocalyptic number.

It is an amenable number.

42438524664 is an abundant number, since it is smaller than the sum of its proper divisors (63657787056).

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

42438524664 is a wasteful number, since it uses less digits than its factorization.

42438524664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768271870 (or 1768271866 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 48.

The spelling of 42438524664 in words is "forty-two billion, four hundred thirty-eight million, five hundred twenty-four thousand, six hundred sixty-four".