42651615624 has 64 divisors (see below), whose sum is σ = 107736920640. Its totient is φ = 14069625600.

The previous prime is 42651615623. The next prime is 42651615637.

42651615624 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (42651615623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8522707 + ... + 8527709.

It is an arithmetic number, because the mean of its divisors is an integer number (1683389385).

Almost surely, 2^42651615624 is an apocalyptic number.

It is an amenable number.

42651615624 is an abundant number, since it is smaller than the sum of its proper divisors (65085305016).

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

42651615624 is a wasteful number, since it uses less digits than its factorization.

42651615624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8630 (or 8626 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 42651615624 in words is "forty-two billion, six hundred fifty-one million, six hundred fifteen thousand, six hundred twenty-four".