40989964 has 12 divisors (see below), whose sum is σ = 71848504. Its totient is φ = 20461824.

The previous prime is 40989953. The next prime is 40990013. The reversal of 40989964 is 46998904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5397 + ... + 10540.

Almost surely, 2^40989964 is an apocalyptic number.

It is an amenable number.

40989964 is a deficient number, since it is larger than the sum of its proper divisors (30858540).

40989964 is a wasteful number, since it uses less digits than its factorization.

40989964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 40989964 is about 6402.3405095324. The cubic root of 40989964 is about 344.7935865324.

The spelling of 40989964 in words is "forty million, nine hundred eighty-nine thousand, nine hundred sixty-four".