42245392 has 40 divisors (see below), whose sum is σ = 94843136. Its totient is φ = 17853696.

The previous prime is 42245383. The next prime is 42245447. The reversal of 42245392 is 29354224.

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, 5593 + ... + 10759.

Almost surely, 2^42245392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42245392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47421568).

42245392 is an abundant number, since it is smaller than the sum of its proper divisors (52597744).

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

42245392 is a wasteful number, since it uses less digits than its factorization.

42245392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5249 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 42245392 is about 6499.6455287962. The cubic root of 42245392 is about 348.2783258046.

The spelling of 42245392 in words is "forty-two million, two hundred forty-five thousand, three hundred ninety-two".