5540343865 has 16 divisors (see below), whose sum is σ = 7694369280. Its totient is φ = 3751001280.

The previous prime is 5540343841. The next prime is 5540343883. The reversal of 5540343865 is 5683430455.

It is not a de Polignac number, because 5540343865 - 2⁹ = 5540343353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999106 + ... + 1004635.

It is an arithmetic number, because the mean of its divisors is an integer number (480898080).

Almost surely, 2^5540343865 is an apocalyptic number.

It is an amenable number.

5540343865 is a deficient number, since it is larger than the sum of its proper divisors (2154025415).

5540343865 is a wasteful number, since it uses less digits than its factorization.

5540343865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003832.

The product of its (nonzero) digits is 864000, while the sum is 43.

The square root of 5540343865 is about 74433.4861806163. The cubic root of 5540343865 is about 1769.4796543572.

The spelling of 5540343865 in words is "five billion, five hundred forty million, three hundred forty-three thousand, eight hundred sixty-five".