42381488 has 40 divisors (see below), whose sum is σ = 84704400. Its totient is φ = 20530944.

The previous prime is 42381487. The next prime is 42381497. The reversal of 42381488 is 88418324.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42381487) 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, 157418 + ... + 157686.

It is an arithmetic number, because the mean of its divisors is an integer number (2117610).

Almost surely, 2^42381488 is an apocalyptic number.

It is an amenable number.

42381488 is a deficient number, since it is larger than the sum of its proper divisors (42322912).

42381488 is a wasteful number, since it uses less digits than its factorization.

42381488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 543 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 42381488 is about 6510.1066043499. The cubic root of 42381488 is about 348.6519245636.

The spelling of 42381488 in words is "forty-two million, three hundred eighty-one thousand, four hundred eighty-eight".