40085976 has 128 divisors (see below), whose sum is σ = 121651200. Its totient is φ = 10765440.

The previous prime is 40085939. The next prime is 40085977. The reversal of 40085976 is 67958004.

40085976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40085977) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 223855 + ... + 224033.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^40085976 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 40085976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60825600).

40085976 is an abundant number, since it is smaller than the sum of its proper divisors (81565224).

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

40085976 is a wasteful number, since it uses less digits than its factorization.

40085976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 40085976 is about 6331.3486714917. The cubic root of 40085976 is about 342.2400421435.

The spelling of 40085976 in words is "forty million, eighty-five thousand, nine hundred seventy-six".