42531515312 has 240 divisors, whose sum is σ = 101671555104. Its totient is φ = 16980480000.

The previous prime is 42531515249. The next prime is 42531515347. The reversal of 42531515312 is 21351513524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421104062 + ... + 421104162.

Almost surely, 2^42531515312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42531515312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50835777552).

42531515312 is an abundant number, since it is smaller than the sum of its proper divisors (59140039792).

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

42531515312 is a wasteful number, since it uses less digits than its factorization.

42531515312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 235 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 42531515312 in words is "forty-two billion, five hundred thirty-one million, five hundred fifteen thousand, three hundred twelve".