40544052399 has 6 divisors (see below), whose sum is σ = 58563631256. Its totient is φ = 27029368260.

The previous prime is 40544052383. The next prime is 40544052421. The reversal of 40544052399 is 99325044504.

40544052399 is a `hidden beast` number, since 4 + 0 + 5 + 4 + 405 + 239 + 9 = 666.

40544052399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40544052399 - 2⁴ = 40544052383 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 (40544052379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2252447347 + ... + 2252447364.

Almost surely, 2^40544052399 is an apocalyptic number.

40544052399 is a deficient number, since it is larger than the sum of its proper divisors (18019578857).

40544052399 is a wasteful number, since it uses less digits than its factorization.

40544052399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504894717 (or 4504894714 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 40544052399 in words is "forty billion, five hundred forty-four million, fifty-two thousand, three hundred ninety-nine".