42486564 has 24 divisors (see below), whose sum is σ = 99243648. Its totient is φ = 14146720.

The previous prime is 42486557. The next prime is 42486569. The reversal of 42486564 is 46568424.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42486569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16654 + ... + 19034.

It is an arithmetic number, because the mean of its divisors is an integer number (4135152).

Almost surely, 2^42486564 is an apocalyptic number.

It is an amenable number.

42486564 is an abundant number, since it is smaller than the sum of its proper divisors (56757084).

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

42486564 is a wasteful number, since it uses less digits than its factorization.

42486564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875 (or 3873 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 42486564 is about 6518.1718295853. The cubic root of 42486564 is about 348.9398231782.

The spelling of 42486564 in words is "forty-two million, four hundred eighty-six thousand, five hundred sixty-four".