42321922884 has 36 divisors (see below), whose sum is σ = 107137111536. Its totient is φ = 14086644528.

The previous prime is 42321922859. The next prime is 42321922919. The reversal of 42321922884 is 48822912324.

42321922884 is a `hidden beast` number, since 42 + 321 + 9 + 2 + 288 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42321922884² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836034 + ... + 885209.

It is an arithmetic number, because the mean of its divisors is an integer number (2976030876).

Almost surely, 2^42321922884 is an apocalyptic number.

It is an amenable number.

42321922884 is an abundant number, since it is smaller than the sum of its proper divisors (64815188652).

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

42321922884 is a wasteful number, since it uses less digits than its factorization.

42321922884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721936 (or 1721931 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 42321922884 in words is "forty-two billion, three hundred twenty-one million, nine hundred twenty-two thousand, eight hundred eighty-four".