40253392 has 20 divisors (see below), whose sum is σ = 80681220. Its totient is φ = 19432448.

The previous prime is 40253359. The next prime is 40253401. The reversal of 40253392 is 29335204.

40253392 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 2 ways, for example, as 20575296 + 19678096 = 4536^2 + 4436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40253392.

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 3 ways as a sum of consecutive naturals, for example, 42913 + ... + 43840.

It is an arithmetic number, because the mean of its divisors is an integer number (4034061).

Almost surely, 2^40253392 is an apocalyptic number.

It is an amenable number.

40253392 is an abundant number, since it is smaller than the sum of its proper divisors (40427828).

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

40253392 is a wasteful number, since it uses less digits than its factorization.

40253392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86790 (or 86784 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40253392 is about 6344.5560916427. The cubic root of 40253392 is about 342.7158268144.

Adding to 40253392 its reverse (29335204), we get a palindrome (69588596).

The spelling of 40253392 in words is "forty million, two hundred fifty-three thousand, three hundred ninety-two".