6485401144320 has 704 divisors, whose sum is σ = 25130080327680. Its totient is φ = 1393560649728.

The previous prime is 6485401144291. The next prime is 6485401144349. The reversal of 6485401144320 is 234411045846.

It is an interprime number because it is at equal distance from previous prime (6485401144291) and next prime (6485401144349).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2246413917 + ... + 2246416803.

Almost surely, 2^{6485401144320} is an apocalyptic number.

6485401144320 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 6485401144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12565040163840).

6485401144320 is an abundant number, since it is smaller than the sum of its proper divisors (18644679183360).

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

6485401144320 is a wasteful number, since it uses less digits than its factorization.

6485401144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 6485401144320 in words is "six trillion, four hundred eighty-five billion, four hundred one million, one hundred forty-four thousand, three hundred twenty".