6781251360 has 384 divisors, whose sum is σ = 23843635200. Its totient is φ = 1609445376.

The previous prime is 6781251343. The next prime is 6781251383. The reversal of 6781251360 is 631521876.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 34076541 + ... + 34076739.

It is an arithmetic number, because the mean of its divisors is an integer number (62092800).

Almost surely, 2^6781251360 is an apocalyptic number.

6781251360 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 6781251360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11921817600).

6781251360 is an abundant number, since it is smaller than the sum of its proper divisors (17062383840).

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

6781251360 is a wasteful number, since it uses less digits than its factorization.

6781251360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6781251360 is about 82348.3537176063. The cubic root of 6781251360 is about 1892.7936960828.

The spelling of 6781251360 in words is "six billion, seven hundred eighty-one million, two hundred fifty-one thousand, three hundred sixty".