40814856 has 48 divisors (see below), whose sum is σ = 112364460. Its totient is φ = 13380480.

The previous prime is 40814791. The next prime is 40814867. The reversal of 40814856 is 65841804.

It can be written as a sum of positive squares in 2 ways, for example, as 29484900 + 11329956 = 5430^2 + 3366^2 .

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 40814856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255 + ... + 9038.

Almost surely, 2^40814856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40814856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56182230).

40814856 is an abundant number, since it is smaller than the sum of its proper divisors (71549604).

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

40814856 is a wasteful number, since it uses less digits than its factorization.

40814856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366 (or 9359 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 40814856 is about 6388.6505617384. The cubic root of 40814856 is about 344.3019028037.

The spelling of 40814856 in words is "forty million, eight hundred fourteen thousand, eight hundred fifty-six".