42255508 has 24 divisors (see below), whose sum is σ = 78261120. Its totient is φ = 19921440.

The previous prime is 42255497. The next prime is 42255527. The reversal of 42255508 is 80555224.

It is a self number, because there is not a number n which added to its sum of digits gives 42255508.

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, 3298 + ... + 9766.

It is an arithmetic number, because the mean of its divisors is an integer number (3260880).

Almost surely, 2^42255508 is an apocalyptic number.

It is an amenable number.

42255508 is a deficient number, since it is larger than the sum of its proper divisors (36005612).

42255508 is a wasteful number, since it uses less digits than its factorization.

42255508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 42255508 is about 6500.4236784997. The cubic root of 42255508 is about 348.3061229378.

The spelling of 42255508 in words is "forty-two million, two hundred fifty-five thousand, five hundred eight".