40044255253 has 16 divisors (see below), whose sum is σ = 41721057280. Its totient is φ = 38400500736.

The previous prime is 40044255241. The next prime is 40044255283. The reversal of 40044255253 is 35255244004.

It is a cyclic number.

It is not a de Polignac number, because 40044255253 - 2⁵ = 40044255221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044255203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674700 + ... + 1698442.

It is an arithmetic number, because the mean of its divisors is an integer number (2607566080).

Almost surely, 2^40044255253 is an apocalyptic number.

It is an amenable number.

40044255253 is a deficient number, since it is larger than the sum of its proper divisors (1676802027).

40044255253 is a wasteful number, since it uses less digits than its factorization.

40044255253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 40044255253 its reverse (35255244004), we get a palindrome (75299499257).

The spelling of 40044255253 in words is "forty billion, forty-four million, two hundred fifty-five thousand, two hundred fifty-three".