6424699944960 has 720 divisors, whose sum is σ = 24500843220672. Its totient is φ = 1557265121280.

The previous prime is 6424699944917. The next prime is 6424699945021. The reversal of 6424699944960 is 694499964246.

6424699944960 is a `hidden beast` number, since 6 + 4 + 2 + 46 + 9 + 9 + 94 + 496 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 981316407 + ... + 981322953.

Almost surely, 2^{6424699944960} is an apocalyptic number.

6424699944960 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 6424699944960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12250421610336).

6424699944960 is an abundant number, since it is smaller than the sum of its proper divisors (18076143275712).

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

6424699944960 is an equidigital number, since it uses as much as digits as its factorization.

6424699944960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 72.

The spelling of 6424699944960 in words is "six trillion, four hundred twenty-four billion, six hundred ninety-nine million, nine hundred forty-four thousand, nine hundred sixty".