40333672 has 8 divisors (see below), whose sum is σ = 75625650. Its totient is φ = 20166832.

The previous prime is 40333649. The next prime is 40333679. The reversal of 40333672 is 27633304.

40333672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27185796 + 13147876 = 5214^2 + 3626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a pancake number, because a pancake can be divided into 40333672 parts by 8981 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 40333672.

It is not an unprimeable number, because it can be changed into a prime (40333679) 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 as a sum of consecutive naturals, namely, 2520847 + ... + 2520862.

Almost surely, 2^40333672 is an apocalyptic number.

It is an amenable number.

40333672 is a deficient number, since it is larger than the sum of its proper divisors (35291978).

40333672 is a wasteful number, since it uses less digits than its factorization.

40333672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041715 (or 5041711 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 40333672 is about 6350.8796241151. The cubic root of 40333672 is about 342.9435091286.

Adding to 40333672 its reverse (27633304), we get a palindrome (67966976).

The spelling of 40333672 in words is "forty million, three hundred thirty-three thousand, six hundred seventy-two".