42549108 has 24 divisors (see below), whose sum is σ = 113464512. Its totient is φ = 12156864.

The previous prime is 42549097. The next prime is 42549127. The reversal of 42549108 is 80194524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253185 + ... + 253352.

It is an arithmetic number, because the mean of its divisors is an integer number (4727688).

Almost surely, 2^42549108 is an apocalyptic number.

It is an amenable number.

42549108 is an abundant number, since it is smaller than the sum of its proper divisors (70915404).

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

42549108 is a wasteful number, since it uses less digits than its factorization.

42549108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506551 (or 506549 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42549108 is about 6522.9677294925. The cubic root of 42549108 is about 349.1109627102.

The spelling of 42549108 in words is "forty-two million, five hundred forty-nine thousand, one hundred eight".