42905560 has 32 divisors (see below), whose sum is σ = 96876000. Its totient is φ = 17102080.

The previous prime is 42905549. The next prime is 42905573. The reversal of 42905560 is 6550924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (3027375).

Almost surely, 2^42905560 is an apocalyptic number.

42905560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42905560 is an abundant number, since it is smaller than the sum of its proper divisors (53970440).

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

42905560 is a wasteful number, since it uses less digits than its factorization.

42905560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 42905560 is about 6550.2335836213. The cubic root of 42905560 is about 350.0831367133.

The spelling of 42905560 in words is "forty-two million, nine hundred five thousand, five hundred sixty".