42312860 has 24 divisors (see below), whose sum is σ = 90925296. Its totient is φ = 16531200.

The previous prime is 42312857. The next prime is 42312877. The reversal of 42312860 is 6821324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23741 + ... + 25460.

It is an arithmetic number, because the mean of its divisors is an integer number (3788554).

Almost surely, 2^42312860 is an apocalyptic number.

It is an amenable number.

42312860 is an abundant number, since it is smaller than the sum of its proper divisors (48612436).

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

42312860 is a wasteful number, since it uses less digits than its factorization.

42312860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49253 (or 49251 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 42312860 is about 6504.8335874179. The cubic root of 42312860 is about 348.4636331489.

The spelling of 42312860 in words is "forty-two million, three hundred twelve thousand, eight hundred sixty".