40314759391 has 4 divisors (see below), whose sum is σ = 40324198432. Its totient is φ = 40305320352.

The previous prime is 40314759383. The next prime is 40314759427. The reversal of 40314759391 is 19395741304.

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

It is a cyclic number.

It is not a de Polignac number, because 40314759391 - 2³ = 40314759383 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 (40314759371) 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, 4713111 + ... + 4721656.

It is an arithmetic number, because the mean of its divisors is an integer number (10081049608).

Almost surely, 2^40314759391 is an apocalyptic number.

40314759391 is a deficient number, since it is larger than the sum of its proper divisors (9439041).

40314759391 is an equidigital number, since it uses as much as digits as its factorization.

40314759391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439040.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 40314759391 in words is "forty billion, three hundred fourteen million, seven hundred fifty-nine thousand, three hundred ninety-one".