42279168 has 36 divisors (see below), whose sum is σ = 112526288. Its totient is φ = 14092800.

The previous prime is 42279157. The next prime is 42279169. The reversal of 42279168 is 86197224.

It is not an unprimeable number, because it can be changed into a prime (42279169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26758 + ... + 28293.

Almost surely, 2^42279168 is an apocalyptic number.

42279168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42279168 is an abundant number, since it is smaller than the sum of its proper divisors (70247120).

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

42279168 is an equidigital number, since it uses as much as digits as its factorization.

42279168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55070 (or 55056 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 42279168 is about 6502.2433051986. The cubic root of 42279168 is about 348.3711194761.

The spelling of 42279168 in words is "forty-two million, two hundred seventy-nine thousand, one hundred sixty-eight".