42515521232 has 20 divisors (see below), whose sum is σ = 82805104896. Its totient is φ = 21146461920.

The previous prime is 42515521231. The next prime is 42515521259. The reversal of 42515521232 is 23212551524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515521231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6953018 + ... + 6959129.

Almost surely, 2^42515521232 is an apocalyptic number.

It is an amenable number.

42515521232 is a deficient number, since it is larger than the sum of its proper divisors (40289583664).

42515521232 is a wasteful number, since it uses less digits than its factorization.

42515521232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13912346 (or 13912340 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The spelling of 42515521232 in words is "forty-two billion, five hundred fifteen million, five hundred twenty-one thousand, two hundred thirty-two".