6849326520 has 256 divisors, whose sum is σ = 24587712000. Its totient is φ = 1689643008.

The previous prime is 6849326443. The next prime is 6849326531. The reversal of 6849326520 is 256239486.

6849326520 is a `hidden beast` number, since 68 + 49 + 3 + 26 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1080079 + ... + 1086401.

It is an arithmetic number, because the mean of its divisors is an integer number (96045750).

Almost surely, 2^6849326520 is an apocalyptic number.

6849326520 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 6849326520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12293856000).

6849326520 is an abundant number, since it is smaller than the sum of its proper divisors (17738385480).

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

6849326520 is a wasteful number, since it uses less digits than its factorization.

6849326520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 6849326520 is about 82760.6580447497. The cubic root of 6849326520 is about 1899.1063683122.

The spelling of 6849326520 in words is "six billion, eight hundred forty-nine million, three hundred twenty-six thousand, five hundred twenty".