42421337904 has 80 divisors (see below), whose sum is σ = 119596095360. Its totient is φ = 12850106880.

The previous prime is 42421337897. The next prime is 42421337921. The reversal of 42421337904 is 40973312424.

It is a super-2 number, since 2×42421337904² (a number of 22 digits) contains 22 as substring.

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, 1538124 + ... + 1565460.

It is an arithmetic number, because the mean of its divisors is an integer number (1494951192).

Almost surely, 2^42421337904 is an apocalyptic number.

42421337904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42421337904 is an abundant number, since it is smaller than the sum of its proper divisors (77174757456).

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

42421337904 is a wasteful number, since it uses less digits than its factorization.

42421337904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30298 (or 30292 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 42421337904 in words is "forty-two billion, four hundred twenty-one million, three hundred thirty-seven thousand, nine hundred four".