42250288 has 10 divisors (see below), whose sum is σ = 81859964. Its totient is φ = 21125136.

The previous prime is 42250279. The next prime is 42250331. The reversal of 42250288 is 88205224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320306 + ... + 1320337.

Almost surely, 2^42250288 is an apocalyptic number.

It is an amenable number.

42250288 is a deficient number, since it is larger than the sum of its proper divisors (39609676).

42250288 is a wasteful number, since it uses less digits than its factorization.

42250288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640651 (or 2640645 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 42250288 is about 6500.0221538084. The cubic root of 42250288 is about 348.2917797754.

The spelling of 42250288 in words is "forty-two million, two hundred fifty thousand, two hundred eighty-eight".