42320488 has 32 divisors (see below), whose sum is σ = 90898560. Its totient is φ = 18095040.

The previous prime is 42320459. The next prime is 42320491. The reversal of 42320488 is 88402324.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 40533 + ... + 41563.

It is an arithmetic number, because the mean of its divisors is an integer number (2840580).

Almost surely, 2^42320488 is an apocalyptic number.

It is an amenable number.

42320488 is an abundant number, since it is smaller than the sum of its proper divisors (48578072).

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

42320488 is a wasteful number, since it uses less digits than its factorization.

42320488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 42320488 is about 6505.4198942113. The cubic root of 42320488 is about 348.4845717862.

The spelling of 42320488 in words is "forty-two million, three hundred twenty thousand, four hundred eighty-eight".