42980668 has 24 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 20354880.

The previous prime is 42980659. The next prime is 42980671. The reversal of 42980668 is 86608924.

It is a happy number.

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, 2653 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720).

Almost surely, 2^42980668 is an apocalyptic number.

It is an amenable number.

42980668 is a deficient number, since it is larger than the sum of its proper divisors (36308612).

42980668 is a wasteful number, since it uses less digits than its factorization.

42980668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077 (or 7075 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 42980668 is about 6555.9643074074. The cubic root of 42980668 is about 350.2872960824.

The spelling of 42980668 in words is "forty-two million, nine hundred eighty thousand, six hundred sixty-eight".