42361864 has 16 divisors (see below), whose sum is σ = 80322300. Its totient is φ = 20942592.

The previous prime is 42361859. The next prime is 42361867. The reversal of 42361864 is 46816324.

It can be written as a sum of positive squares in 2 ways, for example, as 41705764 + 656100 = 6458^2 + 810^2 .

It is not an unprimeable number, because it can be changed into a prime (42361867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29037 + ... + 30460.

Almost surely, 2^42361864 is an apocalyptic number.

It is an amenable number.

42361864 is a deficient number, since it is larger than the sum of its proper divisors (37960436).

42361864 is a wasteful number, since it uses less digits than its factorization.

42361864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59592 (or 59588 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 42361864 is about 6508.5992348584. The cubic root of 42361864 is about 348.5981038825.

The spelling of 42361864 in words is "forty-two million, three hundred sixty-one thousand, eight hundred sixty-four".