40164321719 has 16 divisors (see below), whose sum is σ = 41753387520. Its totient is φ = 38589300960.

The previous prime is 40164321707. The next prime is 40164321721. The reversal of 40164321719 is 91712346104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40164321719 is a prime.

It is a super-2 number, since 2×40164321719² (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 (40164321319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5831852 + ... + 5838734.

It is an arithmetic number, because the mean of its divisors is an integer number (2609586720).

Almost surely, 2^40164321719 is an apocalyptic number.

40164321719 is a deficient number, since it is larger than the sum of its proper divisors (1589065801).

40164321719 is a wasteful number, since it uses less digits than its factorization.

40164321719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 40164321719 in words is "forty billion, one hundred sixty-four million, three hundred twenty-one thousand, seven hundred nineteen".