42288888 has 32 divisors (see below), whose sum is σ = 105950160. Its totient is φ = 14065920.

The previous prime is 42288887. The next prime is 42288901. The reversal of 42288888 is 88888224.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42288887) 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, 11356 + ... + 14612.

Almost surely, 2^42288888 is an apocalyptic number.

It is an amenable number.

42288888 is an abundant number, since it is smaller than the sum of its proper divisors (63661272).

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

42288888 is a wasteful number, since it uses less digits than its factorization.

42288888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807 (or 3803 counting only the distinct ones).

The product of its digits is 524288, while the sum is 48.

The square root of 42288888 is about 6502.9906965949. The cubic root of 42288888 is about 348.3978143236.

The spelling of 42288888 in words is "forty-two million, two hundred eighty-eight thousand, eight hundred eighty-eight".