40830785856 has 280 divisors, whose sum is σ = 141155115200. Its totient is φ = 11665430784.

The previous prime is 40830785839. The next prime is 40830785869. The reversal of 40830785856 is 65858703804.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 1766631 + ... + 1789593.

Almost surely, 2^40830785856 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 40830785856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70577557600).

40830785856 is an abundant number, since it is smaller than the sum of its proper divisors (100324329344).

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

40830785856 is an equidigital number, since it uses as much as digits as its factorization.

40830785856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23008 (or 22975 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 40830785856 in words is "forty billion, eight hundred thirty million, seven hundred eighty-five thousand, eight hundred fifty-six".