40749055279 has 2 divisors, whose sum is σ = 40749055280. Its totient is φ = 40749055278.

The previous prime is 40749055271. The next prime is 40749055283. The reversal of 40749055279 is 97255094704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40749055279 - 2³ = 40749055271 is a prime.

It is a super-2 number, since 2×40749055279² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40749055271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20374527639 + 20374527640.

It is an arithmetic number, because the mean of its divisors is an integer number (20374527640).

Almost surely, 2^40749055279 is an apocalyptic number.

40749055279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40749055279 is an equidigital number, since it uses as much as digits as its factorization.

40749055279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 40749055279 in words is "forty billion, seven hundred forty-nine million, fifty-five thousand, two hundred seventy-nine".