42255984 has 40 divisors (see below), whose sum is σ = 109401232. Its totient is φ = 14054400.

The previous prime is 42255973. The next prime is 42255989. The reversal of 42255984 is 48955224.

42255984 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42255989) 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, 34584 + ... + 35784.

Almost surely, 2^42255984 is an apocalyptic number.

It is an amenable number.

42255984 is an abundant number, since it is smaller than the sum of its proper divisors (67145248).

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

42255984 is a wasteful number, since it uses less digits than its factorization.

42255984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1939 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 42255984 is about 6500.4602913948. The cubic root of 42255984 is about 348.3074307995.

The spelling of 42255984 in words is "forty-two million, two hundred fifty-five thousand, nine hundred eighty-four".