40024669217 has 4 divisors (see below), whose sum is σ = 43103489940. Its totient is φ = 36945848496.

The previous prime is 40024669199. The next prime is 40024669231. The reversal of 40024669217 is 71296642004.

40024669217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17933495056 + 22091174161 = 133916^2 + 148631^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024669217 - 2¹⁶ = 40024603681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024669297) 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, 1539410342 + ... + 1539410367.

It is an arithmetic number, because the mean of its divisors is an integer number (10775872485).

Almost surely, 2^40024669217 is an apocalyptic number.

It is an amenable number.

40024669217 is a deficient number, since it is larger than the sum of its proper divisors (3078820723).

40024669217 is a wasteful number, since it uses less digits than its factorization.

40024669217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078820722.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 40024669217 in words is "forty billion, twenty-four million, six hundred sixty-nine thousand, two hundred seventeen".