42278376 has 48 divisors (see below), whose sum is σ = 122955840. Its totient is φ = 12079200.

The previous prime is 42278359. The next prime is 42278399. The reversal of 42278376 is 67387224.

It is a super-2 number, since 2×42278376² = 3574922154394752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 16800 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (2561580).

Almost surely, 2^42278376 is an apocalyptic number.

It is an amenable number.

42278376 is an abundant number, since it is smaller than the sum of its proper divisors (80677464).

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

42278376 is a wasteful number, since it uses less digits than its factorization.

42278376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35974 (or 35963 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 42278376 is about 6502.1824028552. The cubic root of 42278376 is about 348.3689441602.

The spelling of 42278376 in words is "forty-two million, two hundred seventy-eight thousand, three hundred seventy-six".