6553840036 has 48 divisors (see below), whose sum is σ = 12076424640. Its totient is φ = 3107744640.

The previous prime is 6553839997. The next prime is 6553840039. The reversal of 6553840036 is 6300483556.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6553840039) 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, 3271011 + ... + 3273013.

It is an arithmetic number, because the mean of its divisors is an integer number (251592180).

Almost surely, 2^6553840036 is an apocalyptic number.

It is an amenable number.

6553840036 is a deficient number, since it is larger than the sum of its proper divisors (5522584604).

6553840036 is a wasteful number, since it uses less digits than its factorization.

6553840036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6553840036 is about 80955.7906267365. The cubic root of 6553840036 is about 1871.3941994925.

The spelling of 6553840036 in words is "six billion, five hundred fifty-three million, eight hundred forty thousand, thirty-six".