42990124876984 has 8 divisors (see below), whose sum is σ = 80606484144360. Its totient is φ = 21495062438488.

The previous prime is 42990124876949. The next prime is 42990124877033. The reversal of 42990124876984 is 48967842109924.

42990124876984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42990124876984² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686882804804 + ... + 2686882804819.

It is an arithmetic number, because the mean of its divisors is an integer number (10075810518045).

Almost surely, 2^{42990124876984} is an apocalyptic number.

It is an amenable number.

42990124876984 is a deficient number, since it is larger than the sum of its proper divisors (37616359267376).

42990124876984 is a wasteful number, since it uses less digits than its factorization.

42990124876984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373765609629 (or 5373765609625 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 42990124876984 in words is "forty-two trillion, nine hundred ninety billion, one hundred twenty-four million, eight hundred seventy-six thousand, nine hundred eighty-four".