40969856 has 32 divisors (see below), whose sum is σ = 81950880. Its totient is φ = 20401920.

The previous prime is 40969843. The next prime is 40969861. The reversal of 40969856 is 65896904.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 40969856.

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, 41885 + ... + 42851.

It is an arithmetic number, because the mean of its divisors is an integer number (2560965).

Almost surely, 2^40969856 is an apocalyptic number.

It is an amenable number.

40969856 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

40969856 is an equidigital number, since it uses as much as digits as its factorization.

40969856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 40969856 is about 6400.7699536853. The cubic root of 40969856 is about 344.7371967663.

The spelling of 40969856 in words is "forty million, nine hundred sixty-nine thousand, eight hundred fifty-six".