6526879740 has 144 divisors (see below), whose sum is σ = 20873256768. Its totient is φ = 1647562752.

The previous prime is 6526879739. The next prime is 6526879747. The reversal of 6526879740 is 479786256.

6526879740 is a `hidden beast` number, since 6 + 526 + 8 + 79 + 7 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6526879747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393454 + ... + 409706.

It is an arithmetic number, because the mean of its divisors is an integer number (144953172).

Almost surely, 2^6526879740 is an apocalyptic number.

6526879740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6526879740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10436628384).

6526879740 is an abundant number, since it is smaller than the sum of its proper divisors (14346377028).

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

6526879740 is a wasteful number, since it uses less digits than its factorization.

6526879740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388 (or 16383 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 6526879740 is about 80789.1065676555. The cubic root of 6526879740 is about 1868.8245770769.

The spelling of 6526879740 in words is "six billion, five hundred twenty-six million, eight hundred seventy-nine thousand, seven hundred forty".