6226515840 has 512 divisors, whose sum is σ = 22455014400. Its totient is φ = 1459814400.

The previous prime is 6226515803. The next prime is 6226515887. The reversal of 6226515840 is 485156226.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34400550 + ... + 34400730.

It is an arithmetic number, because the mean of its divisors is an integer number (43857450).

Almost surely, 2^6226515840 is an apocalyptic number.

6226515840 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 6226515840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11227507200).

6226515840 is an abundant number, since it is smaller than the sum of its proper divisors (16228498560).

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

6226515840 is a wasteful number, since it uses less digits than its factorization.

6226515840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

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

The square root of 6226515840 is about 78908.2748512474. The cubic root of 6226515840 is about 1839.7057500480.

The spelling of 6226515840 in words is "six billion, two hundred twenty-six million, five hundred fifteen thousand, eight hundred forty".