6771052640 has 96 divisors (see below), whose sum is σ = 17502718464. Its totient is φ = 2454883840.

The previous prime is 6771052637. The next prime is 6771052661. The reversal of 6771052640 is 462501776.

It is a junction number, because it is equal to n+sod(n) for n = 6771052594 and 6771052603.

It is a congruent number.

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, 605177 + ... + 616263.

It is an arithmetic number, because the mean of its divisors is an integer number (182319984).

Almost surely, 2^6771052640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6771052640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8751359232).

6771052640 is an abundant number, since it is smaller than the sum of its proper divisors (10731665824).

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

6771052640 is a wasteful number, since it uses less digits than its factorization.

6771052640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460 (or 11452 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 6771052640 is about 82286.4061677261. The cubic root of 6771052640 is about 1891.8443256545.

The spelling of 6771052640 in words is "six billion, seven hundred seventy-one million, fifty-two thousand, six hundred forty".