42485660 has 24 divisors (see below), whose sum is σ = 101965920. Its totient is φ = 14566464.

The previous prime is 42485659. The next prime is 42485671. The reversal of 42485660 is 6658424.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 42485660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151595 + ... + 151874.

It is an arithmetic number, because the mean of its divisors is an integer number (4248580).

Almost surely, 2^42485660 is an apocalyptic number.

It is an amenable number.

42485660 is an abundant number, since it is smaller than the sum of its proper divisors (59480260).

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

42485660 is a wasteful number, since it uses less digits than its factorization.

42485660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303485 (or 303483 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 42485660 is about 6518.1024846193. The cubic root of 42485660 is about 348.9373483264.

The spelling of 42485660 in words is "forty-two million, four hundred eighty-five thousand, six hundred sixty".