6251786240 has 104 divisors (see below), whose sum is σ = 17146056480. Its totient is φ = 2143420416.

The previous prime is 6251786237. The next prime is 6251786249. The reversal of 6251786240 is 426871526.

It is not an unprimeable number, because it can be changed into a prime (6251786249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121556 + ... + 165164.

Almost surely, 2^6251786240 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 6251786240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8573028240).

6251786240 is an abundant number, since it is smaller than the sum of its proper divisors (10894270240).

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

6251786240 is an equidigital number, since it uses as much as digits as its factorization.

6251786240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43645 (or 43623 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 6251786240 is about 79068.2378708417. The cubic root of 6251786240 is about 1842.1912143234.

The spelling of 6251786240 in words is "six billion, two hundred fifty-one million, seven hundred eighty-six thousand, two hundred forty".