42388488 has 128 divisors (see below), whose sum is σ = 124848000. Its totient is φ = 13305600.

The previous prime is 42388481. The next prime is 42388513. The reversal of 42388488 is 88488324.

It is a happy number.

It is a super-2 number, since 2×42388488² = 3593567829852288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42388481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419638 + ... + 419738.

It is an arithmetic number, because the mean of its divisors is an integer number (975375).

Almost surely, 2^42388488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42388488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62424000).

42388488 is an abundant number, since it is smaller than the sum of its proper divisors (82459512).

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

42388488 is a wasteful number, since it uses less digits than its factorization.

42388488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 202 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 42388488 is about 6510.6442077570. The cubic root of 42388488 is about 348.6711187073.

The spelling of 42388488 in words is "forty-two million, three hundred eighty-eight thousand, four hundred eighty-eight".