42499626 has 32 divisors (see below), whose sum is σ = 96925248. Its totient is φ = 12307200.

The previous prime is 42499591. The next prime is 42499631. The reversal of 42499626 is 62699424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14700 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (3028914).

Almost surely, 2^42499626 is an apocalyptic number.

42499626 is an abundant number, since it is smaller than the sum of its proper divisors (54425622).

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

42499626 is a wasteful number, since it uses less digits than its factorization.

42499626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32086.

The product of its digits is 186624, while the sum is 42.

The square root of 42499626 is about 6519.1737206490. The cubic root of 42499626 is about 348.9755786777.

The spelling of 42499626 in words is "forty-two million, four hundred ninety-nine thousand, six hundred twenty-six".