42381612912 has 40 divisors (see below), whose sum is σ = 113261210640. Its totient is φ = 13640058880.

The previous prime is 42381612853. The next prime is 42381612937. The reversal of 42381612912 is 21921618324.

It is a super-2 number, since 2×42381612912² (a number of 22 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15221889 + ... + 15224672.

It is an arithmetic number, because the mean of its divisors is an integer number (2831530266).

Almost surely, 2^42381612912 is an apocalyptic number.

It is an amenable number.

42381612912 is an abundant number, since it is smaller than the sum of its proper divisors (70879597728).

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

42381612912 is a wasteful number, since it uses less digits than its factorization.

42381612912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30446601 (or 30446595 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The spelling of 42381612912 in words is "forty-two billion, three hundred eighty-one million, six hundred twelve thousand, nine hundred twelve".