40940912 has 20 divisors (see below), whose sum is σ = 80281320. Its totient is φ = 20223168.

The previous prime is 40940903. The next prime is 40940929. The reversal of 40940912 is 21904904.

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, 14087 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (4014066).

Almost surely, 2^40940912 is an apocalyptic number.

It is an amenable number.

40940912 is a deficient number, since it is larger than the sum of its proper divisors (39340408).

40940912 is a wasteful number, since it uses less digits than its factorization.

40940912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30920 (or 30914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 40940912 is about 6398.5085762231. The cubic root of 40940912 is about 344.6559954062.

The spelling of 40940912 in words is "forty million, nine hundred forty thousand, nine hundred twelve".