42361860 has 48 divisors (see below), whose sum is σ = 123774336. Its totient is φ = 10804992.

The previous prime is 42361859. The next prime is 42361867. The reversal of 42361860 is 6816324.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 13969 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (2578632).

Almost surely, 2^42361860 is an apocalyptic number.

It is an amenable number.

42361860 is an abundant number, since it is smaller than the sum of its proper divisors (81412476).

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

42361860 is a wasteful number, since it uses less digits than its factorization.

42361860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30732 (or 30730 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42361860 is about 6508.5989275727. The cubic root of 42361860 is about 348.5980929104.

The spelling of 42361860 in words is "forty-two million, three hundred sixty-one thousand, eight hundred sixty".