40625856 has 84 divisors (see below), whose sum is σ = 117326664. Its totient is φ = 13440000.

The previous prime is 40625833. The next prime is 40625863. The reversal of 40625856 is 65852604.

40625856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40625856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144436 + ... + 144716.

It is an arithmetic number, because the mean of its divisors is an integer number (1396746).

Almost surely, 2^40625856 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 40625856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58663332).

40625856 is an abundant number, since it is smaller than the sum of its proper divisors (76700808).

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

40625856 is a wasteful number, since it uses less digits than its factorization.

40625856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 40625856 is about 6373.8415418019. The cubic root of 40625856 is about 343.7696312315.

It can be divided in two parts, 406 and 25856, that added together give a palindrome (26262).

The spelling of 40625856 in words is "forty million, six hundred twenty-five thousand, eight hundred fifty-six".