6728626140 has 24 divisors (see below), whose sum is σ = 18840153360. Its totient is φ = 1794300288.

The previous prime is 6728626127. The next prime is 6728626141. The reversal of 6728626140 is 416268276.

It is a junction number, because it is equal to n+sod(n) for n = 6728626092 and 6728626101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728626141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56071825 + ... + 56071944.

It is an arithmetic number, because the mean of its divisors is an integer number (785006390).

Almost surely, 2^6728626140 is an apocalyptic number.

6728626140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6728626140 is an abundant number, since it is smaller than the sum of its proper divisors (12111527220).

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

6728626140 is a wasteful number, since it uses less digits than its factorization.

6728626140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112143781 (or 112143779 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 6728626140 is about 82028.2033205653. The cubic root of 6728626140 is about 1887.8846970515.

The spelling of 6728626140 in words is "six billion, seven hundred twenty-eight million, six hundred twenty-six thousand, one hundred forty".