40680944 has 30 divisors (see below), whose sum is σ = 80601984. Its totient is φ = 19890400.

The previous prime is 40680943. The next prime is 40680947. The reversal of 40680944 is 44908604.

It is a super-3 number, since 3×40680944³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40680943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34769 + ... + 35919.

Almost surely, 2^40680944 is an apocalyptic number.

It is an amenable number.

40680944 is a deficient number, since it is larger than the sum of its proper divisors (39921040).

40680944 is a wasteful number, since it uses less digits than its factorization.

40680944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 40680944 is about 6378.1614905865. The cubic root of 40680944 is about 343.9249430621.

The spelling of 40680944 in words is "forty million, six hundred eighty thousand, nine hundred forty-four".