40252905279 has 6 divisors (see below), whose sum is σ = 58143085416. Its totient is φ = 26835270180.

The previous prime is 40252905247. The next prime is 40252905307. The reversal of 40252905279 is 97250925204.

40252905279 is a `hidden beast` number, since 4 + 0 + 2 + 529 + 0 + 52 + 79 = 666.

It is not a de Polignac number, because 40252905279 - 2⁵ = 40252905247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251905279) 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, 2236272507 + ... + 2236272524.

It is an arithmetic number, because the mean of its divisors is an integer number (9690514236).

Almost surely, 2^40252905279 is an apocalyptic number.

40252905279 is a deficient number, since it is larger than the sum of its proper divisors (17890180137).

40252905279 is a wasteful number, since it uses less digits than its factorization.

40252905279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472545037 (or 4472545034 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 40252905279 in words is "forty billion, two hundred fifty-two million, nine hundred five thousand, two hundred seventy-nine".