42466536 has 72 divisors (see below), whose sum is σ = 133802370. Its totient is φ = 12132288.

The previous prime is 42466519. The next prime is 42466537. The reversal of 42466536 is 63566424.

It can be written as a sum of positive squares in only one way, i.e., 42380100 + 86436 = 6510^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42466536.

It is not an unprimeable number, because it can be changed into a prime (42466537) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2491 + ... + 9546.

Almost surely, 2^42466536 is an apocalyptic number.

It is an amenable number.

42466536 is an abundant number, since it is smaller than the sum of its proper divisors (91335834).

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

42466536 is a wasteful number, since it uses less digits than its factorization.

42466536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063 (or 12049 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 42466536 is about 6516.6353281429. The cubic root of 42466536 is about 348.8849849381.

The spelling of 42466536 in words is "forty-two million, four hundred sixty-six thousand, five hundred thirty-six".