40183722 has 32 divisors (see below), whose sum is σ = 90129600. Its totient is φ = 13269744.

The previous prime is 40183711. The next prime is 40183729. The reversal of 40183722 is 22738104.

40183722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40183722² = 3229463027546568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40183729) 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 15 ways as a sum of consecutive naturals, for example, 2473 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (2816550).

Almost surely, 2^40183722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40183722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45064800).

40183722 is an abundant number, since it is smaller than the sum of its proper divisors (49945878).

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

40183722 is a wasteful number, since it uses less digits than its factorization.

40183722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947 (or 6941 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40183722 is about 6339.0631799975. The cubic root of 40183722 is about 342.5179900686.

The spelling of 40183722 in words is "forty million, one hundred eighty-three thousand, seven hundred twenty-two".