40344279 has 8 divisors (see below), whose sum is σ = 54286320. Its totient is φ = 26649216.

The previous prime is 40344263. The next prime is 40344301. The reversal of 40344279 is 97244304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40344279 - 2⁴ = 40344263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61362 + ... + 62015.

It is an arithmetic number, because the mean of its divisors is an integer number (6785790).

Almost surely, 2^40344279 is an apocalyptic number.

40344279 is a deficient number, since it is larger than the sum of its proper divisors (13942041).

40344279 is a wasteful number, since it uses less digits than its factorization.

40344279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123489.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 40344279 is about 6351.7146503917. The cubic root of 40344279 is about 342.9735690661.

The spelling of 40344279 in words is "forty million, three hundred forty-four thousand, two hundred seventy-nine".