40980556 has 6 divisors (see below), whose sum is σ = 71715980. Its totient is φ = 20490276.

The previous prime is 40980553. The next prime is 40980581. The reversal of 40980556 is 65508904.

It is not an unprimeable number, because it can be changed into a prime (40980551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122566 + ... + 5122573.

Almost surely, 2^40980556 is an apocalyptic number.

It is an amenable number.

40980556 is a deficient number, since it is larger than the sum of its proper divisors (30735424).

40980556 is a wasteful number, since it uses less digits than its factorization.

40980556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245143 (or 10245141 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 40980556 is about 6401.6057360634. The cubic root of 40980556 is about 344.7672055523.

The spelling of 40980556 in words is "forty million, nine hundred eighty thousand, five hundred fifty-six".