6720260140 has 72 divisors (see below), whose sum is σ = 16424716896. Its totient is φ = 2299968000.

The previous prime is 6720260111. The next prime is 6720260147. The reversal of 6720260140 is 410620276.

It is a junction number, because it is equal to n+sod(n) for n = 6720260099 and 6720260108.

It is not an unprimeable number, because it can be changed into a prime (6720260147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40536 + ... + 122815.

It is an arithmetic number, because the mean of its divisors is an integer number (228121068).

Almost surely, 2^6720260140 is an apocalyptic number.

It is an amenable number.

6720260140 is an abundant number, since it is smaller than the sum of its proper divisors (9704456756).

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

6720260140 is a wasteful number, since it uses less digits than its factorization.

6720260140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163399 (or 163386 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6720260140 is about 81977.1928038525. The cubic root of 6720260140 is about 1887.1019422273.

The spelling of 6720260140 in words is "six billion, seven hundred twenty million, two hundred sixty thousand, one hundred forty".