42254188 has 6 divisors (see below), whose sum is σ = 73944836. Its totient is φ = 21127092.

The previous prime is 42254183. The next prime is 42254213. The reversal of 42254188 is 88145224.

It is not an unprimeable number, because it can be changed into a prime (42254183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281770 + ... + 5281777.

Almost surely, 2^42254188 is an apocalyptic number.

It is an amenable number.

42254188 is a deficient number, since it is larger than the sum of its proper divisors (31690648).

42254188 is a wasteful number, since it uses less digits than its factorization.

42254188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563551 (or 10563549 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 42254188 is about 6500.3221458632. The cubic root of 42254188 is about 348.3024960428.

The spelling of 42254188 in words is "forty-two million, two hundred fifty-four thousand, one hundred eighty-eight".