6278664480 has 192 divisors, whose sum is σ = 21837247488. Its totient is φ = 1503656960.

The previous prime is 6278664467. The next prime is 6278664493. The reversal of 6278664480 is 844668726.

It is an interprime number because it is at equal distance from previous prime (6278664467) and next prime (6278664493).

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, 431077 + ... + 445403.

It is an arithmetic number, because the mean of its divisors is an integer number (113735664).

Almost surely, 2^6278664480 is an apocalyptic number.

6278664480 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 6278664480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10918623744).

6278664480 is an abundant number, since it is smaller than the sum of its proper divisors (15558583008).

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

6278664480 is a wasteful number, since it uses less digits than its factorization.

6278664480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439 (or 14431 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The square root of 6278664480 is about 79238.0242055542. The cubic root of 6278664480 is about 1844.8274777909.

The spelling of 6278664480 in words is "six billion, two hundred seventy-eight million, six hundred sixty-four thousand, four hundred eighty".