6278336486640 has 240 divisors, whose sum is σ = 21774409562880. Its totient is φ = 1619507957760.

The previous prime is 6278336486573. The next prime is 6278336486657. The reversal of 6278336486640 is 466846338726.

6278336486640 is a `hidden beast` number, since 6 + 2 + 7 + 83 + 36 + 486 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52012276 + ... + 52132844.

It is an arithmetic number, because the mean of its divisors is an integer number (90726706512).

Almost surely, 2^{6278336486640} is an apocalyptic number.

6278336486640 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 6278336486640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10887204781440).

6278336486640 is an abundant number, since it is smaller than the sum of its proper divisors (15496073076240).

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

6278336486640 is a wasteful number, since it uses less digits than its factorization.

6278336486640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122952 (or 122943 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 63.

The spelling of 6278336486640 in words is "six trillion, two hundred seventy-eight billion, three hundred thirty-six million, four hundred eighty-six thousand, six hundred forty".