42315389312 has 32 divisors (see below), whose sum is σ = 96343075920. Its totient is φ = 18135166464.

The previous prime is 42315389297. The next prime is 42315389339. The reversal of 42315389312 is 21398351324.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×42315389312² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42315389312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23612603 + ... + 23614394.

Almost surely, 2^42315389312 is an apocalyptic number.

It is an amenable number.

42315389312 is an abundant number, since it is smaller than the sum of its proper divisors (54027686608).

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

42315389312 is an equidigital number, since it uses as much as digits as its factorization.

42315389312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47227018 (or 47227006 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The spelling of 42315389312 in words is "forty-two billion, three hundred fifteen million, three hundred eighty-nine thousand, three hundred twelve".