6538045140 has 96 divisors (see below), whose sum is σ = 22189749120. Its totient is φ = 1584979200.

The previous prime is 6538045097. The next prime is 6538045169. The reversal of 6538045140 is 415408356.

It is a happy number.

6538045140 is a `hidden beast` number, since 65 + 3 + 80 + 4 + 514 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6538045095 and 6538045104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544401 + ... + 556280.

It is an arithmetic number, because the mean of its divisors is an integer number (231143220).

Almost surely, 2^6538045140 is an apocalyptic number.

6538045140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6538045140 is an abundant number, since it is smaller than the sum of its proper divisors (15651703980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6538045140 is a wasteful number, since it uses less digits than its factorization.

6538045140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100710 (or 1100702 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 6538045140 is about 80858.1791781141. The cubic root of 6538045140 is about 1869.8896233478.

The spelling of 6538045140 in words is "six billion, five hundred thirty-eight million, forty-five thousand, one hundred forty".