6825156240 has 160 divisors (see below), whose sum is σ = 24260161536. Its totient is φ = 1554900480.

The previous prime is 6825156223. The next prime is 6825156251. The reversal of 6825156240 is 426515286.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515949 + ... + 529011.

Almost surely, 2^6825156240 is an apocalyptic number.

6825156240 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 6825156240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12130080768).

6825156240 is an abundant number, since it is smaller than the sum of its proper divisors (17435005296).

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

6825156240 is a wasteful number, since it uses less digits than its factorization.

6825156240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13397 (or 13391 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 6825156240 is about 82614.5038113768. The cubic root of 6825156240 is about 1896.8698451351.

The spelling of 6825156240 in words is "six billion, eight hundred twenty-five million, one hundred fifty-six thousand, two hundred forty".