42615508 has 24 divisors (see below), whose sum is σ = 80494848. Its totient is φ = 19624416.

The previous prime is 42615497. The next prime is 42615509. The reversal of 42615508 is 80551624.

It is a self number, because there is not a number n which added to its sum of digits gives 42615508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42615509) 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, 38085 + ... + 39187.

It is an arithmetic number, because the mean of its divisors is an integer number (3353952).

Almost surely, 2^42615508 is an apocalyptic number.

It is an amenable number.

42615508 is a deficient number, since it is larger than the sum of its proper divisors (37879340).

42615508 is a wasteful number, since it uses less digits than its factorization.

42615508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 42615508 is about 6528.0554531958. The cubic root of 42615508 is about 349.2924700015.

The spelling of 42615508 in words is "forty-two million, six hundred fifteen thousand, five hundred eight".