40316329 has 4 divisors (see below), whose sum is σ = 40329040. Its totient is φ = 40303620.

The previous prime is 40316323. The next prime is 40316371. The reversal of 40316329 is 92361304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40316329 - 2⁹ = 40315817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40316297 and 40316306.

It is not an unprimeable number, because it can be changed into a prime (40316323) 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, 2782 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (10082260).

Almost surely, 2^40316329 is an apocalyptic number.

It is an amenable number.

40316329 is a deficient number, since it is larger than the sum of its proper divisors (12711).

40316329 is an equidigital number, since it uses as much as digits as its factorization.

40316329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40316329 is about 6349.5140758959. The cubic root of 40316329 is about 342.8943482029.

The spelling of 40316329 in words is "forty million, three hundred sixteen thousand, three hundred twenty-nine".