40905056 has 24 divisors (see below), whose sum is σ = 81507384. Its totient is φ = 20204800.

The previous prime is 40905037. The next prime is 40905061. The reversal of 40905056 is 65050904.

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, 5045 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (3396141).

Almost surely, 2^40905056 is an apocalyptic number.

It is an amenable number.

40905056 is a deficient number, since it is larger than the sum of its proper divisors (40602328).

40905056 is a wasteful number, since it uses less digits than its factorization.

40905056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15494 (or 15486 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 40905056 is about 6395.7060595371. The cubic root of 40905056 is about 344.5553495874. Note that the first 3 decimals are identical.

The spelling of 40905056 in words is "forty million, nine hundred five thousand, fifty-six".