8040232681549 has 16 divisors (see below), whose sum is σ = 8168949845056. Its totient is φ = 7912518566400.

The previous prime is 8040232681543. The next prime is 8040232681571. The reversal of 8040232681549 is 9451862320408.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8040232681549 - 2³ = 8040232681541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8040232681496 and 8040232681505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040232681541) 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, 22685794 + ... + 23037484.

It is an arithmetic number, because the mean of its divisors is an integer number (510559365316).

Almost surely, 2^{8040232681549} is an apocalyptic number.

It is an amenable number.

8040232681549 is a deficient number, since it is larger than the sum of its proper divisors (128717163507).

8040232681549 is a wasteful number, since it uses less digits than its factorization.

8040232681549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353116.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 8040232681549 in words is "eight trillion, forty billion, two hundred thirty-two million, six hundred eighty-one thousand, five hundred forty-nine".