40344367 has 4 divisors (see below), whose sum is σ = 46107856. Its totient is φ = 34580880.

The previous prime is 40344329. The next prime is 40344371. The reversal of 40344367 is 76344304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40344367 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 (40344167) 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, 2881734 + ... + 2881747.

It is an arithmetic number, because the mean of its divisors is an integer number (11526964).

Almost surely, 2^40344367 is an apocalyptic number.

40344367 is a deficient number, since it is larger than the sum of its proper divisors (5763489).

40344367 is an equidigital number, since it uses as much as digits as its factorization.

40344367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763488.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 40344367 is about 6351.7215776512. The cubic root of 40344367 is about 342.9738184335.

The spelling of 40344367 in words is "forty million, three hundred forty-four thousand, three hundred sixty-seven".