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6448006656000 = 212325371315377
BaseRepresentation
bin101110111010100101100…
…1001010111000000000000
3211211102102200002201121100
41131311023021113000000
51321121004200443000
621414101240254400
71233565421154330
oct135651311270000
924742380081540
106448006656000
112066647726a68
12881800471400
1337a076784260
14184129a7b0c0
15b2ada22aa00
hex5dd4b257000

6448006656000 has 1248 divisors, whose sum is σ = 28610322668928. Its totient is φ = 1360370073600.

The previous prime is 6448006655999. The next prime is 6448006656001. The reversal of 6448006656000 is 6566008446.

6448006656000 is a `hidden beast` number, since 6 + 4 + 4 + 80 + 0 + 6 + 6 + 560 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6448006655999) and next prime (6448006656001).

It is a tau number, because it is divible by the number of its divisors (1248).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448006656001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 419320312 + ... + 419335688.

It is an arithmetic number, because the mean of its divisors is an integer number (22924938036).

Almost surely, 26448006656000 is an apocalyptic number.

6448006656000 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 6448006656000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14305161334464).

6448006656000 is an abundant number, since it is smaller than the sum of its proper divisors (22162316012928).

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

6448006656000 is a wasteful number, since it uses less digits than its factorization.

6448006656000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442 (or 15407 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 6448006656000 in words is "six trillion, four hundred forty-eight billion, six million, six hundred fifty-six thousand".