42240088 has 32 divisors (see below), whose sum is σ = 88742160. Its totient is φ = 18679680.

The previous prime is 42240049. The next prime is 42240089. The reversal of 42240088 is 88004224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240089) 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, 3231 + ... + 9742.

Almost surely, 2^42240088 is an apocalyptic number.

It is an amenable number.

42240088 is an abundant number, since it is smaller than the sum of its proper divisors (46502072).

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

42240088 is a wasteful number, since it uses less digits than its factorization.

42240088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027 (or 13023 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 42240088 is about 6499.2374937372. The cubic root of 42240088 is about 348.2637494964.

The spelling of 42240088 in words is "forty-two million, two hundred forty thousand, eighty-eight".