42258788 has 36 divisors (see below), whose sum is σ = 87374448. Its totient is φ = 17727840.

The previous prime is 42258779. The next prime is 42258791. The reversal of 42258788 is 88785224.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4595 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (2427068).

Almost surely, 2^42258788 is an apocalyptic number.

It is an amenable number.

42258788 is an abundant number, since it is smaller than the sum of its proper divisors (45115660).

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

42258788 is a wasteful number, since it uses less digits than its factorization.

42258788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724 (or 5709 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 42258788 is about 6500.6759648517. The cubic root of 42258788 is about 348.3151348952.

The spelling of 42258788 in words is "forty-two million, two hundred fifty-eight thousand, seven hundred eighty-eight".