42240268 has 24 divisors (see below), whose sum is σ = 88928000. Its totient is φ = 17149968.

The previous prime is 42240221. The next prime is 42240271. The reversal of 42240268 is 86204224.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 39168 + ... + 40231.

Almost surely, 2^42240268 is an apocalyptic number.

It is an amenable number.

42240268 is an abundant number, since it is smaller than the sum of its proper divisors (46687732).

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

42240268 is a wasteful number, since it uses less digits than its factorization.

42240268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79429 (or 79427 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 42240268 is about 6499.2513415008. The cubic root of 42240268 is about 348.2642441875.

The spelling of 42240268 in words is "forty-two million, two hundred forty thousand, two hundred sixty-eight".