42253168 has 10 divisors (see below), whose sum is σ = 81865544. Its totient is φ = 21126576.

The previous prime is 42253163. The next prime is 42253199. The reversal of 42253168 is 86135224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320396 + ... + 1320427.

Almost surely, 2^42253168 is an apocalyptic number.

It is an amenable number.

42253168 is a deficient number, since it is larger than the sum of its proper divisors (39612376).

42253168 is a wasteful number, since it uses less digits than its factorization.

42253168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640831 (or 2640825 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 42253168 is about 6500.2436877397. The cubic root of 42253168 is about 348.2996933904.

The spelling of 42253168 in words is "forty-two million, two hundred fifty-three thousand, one hundred sixty-eight".