42278094 has 24 divisors (see below), whose sum is σ = 95586192. Its totient is φ = 13479840.

The previous prime is 42278053. The next prime is 42278111. The reversal of 42278094 is 49087224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50647 + ... + 51474.

It is an arithmetic number, because the mean of its divisors is an integer number (3982758).

Almost surely, 2^42278094 is an apocalyptic number.

42278094 is an abundant number, since it is smaller than the sum of its proper divisors (53308098).

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

42278094 is a wasteful number, since it uses less digits than its factorization.

42278094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102152 (or 102149 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42278094 is about 6502.1607177922. The cubic root of 42278094 is about 348.3681696093.

It can be divided in two parts, 4227 and 8094, that added together give a palindrome (12321).

The spelling of 42278094 in words is "forty-two million, two hundred seventy-eight thousand, ninety-four".