40849660 has 12 divisors (see below), whose sum is σ = 85784328. Its totient is φ = 16339856.

The previous prime is 40849651. The next prime is 40849681. The reversal of 40849660 is 6694804.

It is a congruent number.

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, 1021222 + ... + 1021261.

It is an arithmetic number, because the mean of its divisors is an integer number (7148694).

Almost surely, 2^40849660 is an apocalyptic number.

It is an amenable number.

40849660 is an abundant number, since it is smaller than the sum of its proper divisors (44934668).

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

40849660 is a wasteful number, since it uses less digits than its factorization.

40849660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042492 (or 2042490 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40849660 is about 6391.3738742152. The cubic root of 40849660 is about 344.3997403732.

The spelling of 40849660 in words is "forty million, eight hundred forty-nine thousand, six hundred sixty".