40344956305919 has 4 divisors (see below), whose sum is σ = 40553997530496. Its totient is φ = 40135915081344.

The previous prime is 40344956305903. The next prime is 40344956305931. The reversal of 40344956305919 is 91950365944304.

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 40344956305919 - 2⁴ = 40344956305903 is a prime.

It is a super-2 number, since 2×40344956305919² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344956305939) 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, 104520611999 + ... + 104520612384.

It is an arithmetic number, because the mean of its divisors is an integer number (10138499382624).

Almost surely, 2^{40344956305919} is an apocalyptic number.

40344956305919 is a deficient number, since it is larger than the sum of its proper divisors (209041224577).

40344956305919 is a wasteful number, since it uses less digits than its factorization.

40344956305919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209041224576.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 40344956305919 in words is "forty trillion, three hundred forty-four billion, nine hundred fifty-six million, three hundred five thousand, nine hundred nineteen".