42516661524 has 24 divisors (see below), whose sum is σ = 99275299200. Its totient is φ = 14162255424.

The previous prime is 42516661501. The next prime is 42516661529.

42516661524 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516661529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227849 + ... + 1262000.

It is an arithmetic number, because the mean of its divisors is an integer number (4136470800).

Almost surely, 2^42516661524 is an apocalyptic number.

It is an amenable number.

42516661524 is an abundant number, since it is smaller than the sum of its proper divisors (56758637676).

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

42516661524 is a wasteful number, since it uses less digits than its factorization.

42516661524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491279 (or 2491277 counting only the distinct ones).

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

The spelling of 42516661524 in words is "forty-two billion, five hundred sixteen million, six hundred sixty-one thousand, five hundred twenty-four".