40940856 has 64 divisors (see below), whose sum is σ = 124070400. Its totient is φ = 12405600.

The previous prime is 40940843. The next prime is 40940891. The reversal of 40940856 is 65804904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40940856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6240 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (1938600).

Almost surely, 2^40940856 is an apocalyptic number.

It is an amenable number.

40940856 is an abundant number, since it is smaller than the sum of its proper divisors (83129544).

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

40940856 is a wasteful number, since it uses less digits than its factorization.

40940856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17257 (or 17247 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 40940856 is about 6398.5042002018. The cubic root of 40940856 is about 344.6558382631.

It can be divided in two parts, 4094085 and 6, that added together give a triangular number (4094091 = T₂₈₆₁).

The spelling of 40940856 in words is "forty million, nine hundred forty thousand, eight hundred fifty-six".