40433976 has 96 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 11603520.

The previous prime is 40433971. The next prime is 40433983. The reversal of 40433976 is 67933404.

40433976 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 40433976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433971) 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 23 ways as a sum of consecutive naturals, for example, 13705 + ... + 16391.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 2^40433976 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 40433976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62899200).

40433976 is an abundant number, since it is smaller than the sum of its proper divisors (85364424).

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

40433976 is a wasteful number, since it uses less digits than its factorization.

40433976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 40433976 is about 6358.7715794798. The cubic root of 40433976 is about 343.2275574071.

The spelling of 40433976 in words is "forty million, four hundred thirty-three thousand, nine hundred seventy-six".