40207265279 has 4 divisors (see below), whose sum is σ = 40807373784. Its totient is φ = 39607156776.

The previous prime is 40207265261. The next prime is 40207265309. The reversal of 40207265279 is 97256270204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40207265279 - 2⁸ = 40207265023 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 (40207265249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300054152 + ... + 300054285.

It is an arithmetic number, because the mean of its divisors is an integer number (10201843446).

Almost surely, 2^40207265279 is an apocalyptic number.

40207265279 is a deficient number, since it is larger than the sum of its proper divisors (600108505).

40207265279 is an equidigital number, since it uses as much as digits as its factorization.

40207265279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600108504.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 40207265279 in words is "forty billion, two hundred seven million, two hundred sixty-five thousand, two hundred seventy-nine".