40800279 has 16 divisors (see below), whose sum is σ = 58712192. Its totient is φ = 25053408.

The previous prime is 40800251. The next prime is 40800283. The reversal of 40800279 is 97200804.

It is not a de Polignac number, because 40800279 - 2⁹ = 40799767 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 (40800209) 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, 24264 + ... + 25890.

It is an arithmetic number, because the mean of its divisors is an integer number (3669512).

Almost surely, 2^40800279 is an apocalyptic number.

40800279 is a deficient number, since it is larger than the sum of its proper divisors (17911913).

40800279 is a wasteful number, since it uses less digits than its factorization.

40800279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40800279 is about 6387.5096086033. The cubic root of 40800279 is about 344.2609088541.

The spelling of 40800279 in words is "forty million, eight hundred thousand, two hundred seventy-nine".