42278592 has 56 divisors (see below), whose sum is σ = 118451376. Its totient is φ = 13262848.

The previous prime is 42278581. The next prime is 42278603. The reversal of 42278592 is 29587224.

It is an interprime number because it is at equal distance from previous prime (42278581) and next prime (42278603).

It is a self number, because there is not a number n which added to its sum of digits gives 42278592.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213 + ... + 9740.

Almost surely, 2^42278592 is an apocalyptic number.

It is an amenable number.

42278592 is an abundant number, since it is smaller than the sum of its proper divisors (76172784).

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

42278592 is a wasteful number, since it uses less digits than its factorization.

42278592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985 (or 12975 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42278592 is about 6502.1990126418. The cubic root of 42278592 is about 348.3695374308.

The spelling of 42278592 in words is "forty-two million, two hundred seventy-eight thousand, five hundred ninety-two".