40384416769 has 16 divisors (see below), whose sum is σ = 41459017600. Its totient is φ = 39316233600.

The previous prime is 40384416739. The next prime is 40384416773. The reversal of 40384416769 is 96761448304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40384416769 is a prime.

It is a super-2 number, since 2×40384416769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40384416739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28865932 + ... + 28867330.

It is an arithmetic number, because the mean of its divisors is an integer number (2591188600).

Almost surely, 2^40384416769 is an apocalyptic number.

It is an amenable number.

40384416769 is a deficient number, since it is larger than the sum of its proper divisors (1074600831).

40384416769 is a wasteful number, since it uses less digits than its factorization.

40384416769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 40384416769 in words is "forty billion, three hundred eighty-four million, four hundred sixteen thousand, seven hundred sixty-nine".