42536604020 has 24 divisors (see below), whose sum is σ = 89347952904. Its totient is φ = 17010625536.

The previous prime is 42536604017. The next prime is 42536604037. The reversal of 42536604020 is 2040663524.

It can be written as a sum of positive squares in 4 ways, for example, as 3081138064 + 39455465956 = 55508^2 + 198634^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163409 + ... + 334328.

It is an arithmetic number, because the mean of its divisors is an integer number (3722831371).

Almost surely, 2^42536604020 is an apocalyptic number.

It is an amenable number.

42536604020 is an abundant number, since it is smaller than the sum of its proper divisors (46811348884).

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

42536604020 is a wasteful number, since it uses less digits than its factorization.

42536604020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502019 (or 502017 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 42536604020 in words is "forty-two billion, five hundred thirty-six million, six hundred four thousand, twenty".