40416379 has 4 divisors (see below), whose sum is σ = 40430376. Its totient is φ = 40402384.

The previous prime is 40416373. The next prime is 40416403. The reversal of 40416379 is 97361404.

It is a happy number.

It is a semiprime because it is the product of two primes, 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 40416379 - 2⁵ = 40416347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40416373) 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, 889 + ... + 9034.

It is an arithmetic number, because the mean of its divisors is an integer number (10107594).

Almost surely, 2^40416379 is an apocalyptic number.

40416379 is a deficient number, since it is larger than the sum of its proper divisors (13997).

40416379 is an equidigital number, since it uses as much as digits as its factorization.

40416379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40416379 is about 6357.3877496972. The cubic root of 40416379 is about 343.1777589264.

The spelling of 40416379 in words is "forty million, four hundred sixteen thousand, three hundred seventy-nine".