40383774719 has 4 divisors (see below), whose sum is σ = 40471375560. Its totient is φ = 40296173880.

The previous prime is 40383774701. The next prime is 40383774721. The reversal of 40383774719 is 91747738304.

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 40383774719 - 2¹⁶ = 40383709183 is a prime.

It is a super-2 number, since 2×40383774719² (a number of 22 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 (40383774019) 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, 43799729 + ... + 43800650.

It is an arithmetic number, because the mean of its divisors is an integer number (10117843890).

Almost surely, 2^40383774719 is an apocalyptic number.

40383774719 is a deficient number, since it is larger than the sum of its proper divisors (87600841).

40383774719 is an equidigital number, since it uses as much as digits as its factorization.

40383774719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87600840.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 40383774719 in words is "forty billion, three hundred eighty-three million, seven hundred seventy-four thousand, seven hundred nineteen".