6500274447420 has 240 divisors, whose sum is σ = 22094923176480. Its totient is φ = 1590250351104.

The previous prime is 6500274447413. The next prime is 6500274447437. The reversal of 6500274447420 is 247444720056.

6500274447420 is a `hidden beast` number, since 6 + 500 + 2 + 74 + 4 + 4 + 74 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2485986 + ... + 4379574.

It is an arithmetic number, because the mean of its divisors is an integer number (92062179902).

Almost surely, 2^{6500274447420} is an apocalyptic number.

6500274447420 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 6500274447420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11047461588240).

6500274447420 is an abundant number, since it is smaller than the sum of its proper divisors (15594648729060).

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

6500274447420 is a wasteful number, since it uses less digits than its factorization.

6500274447420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893786 (or 1893775 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 45.

The spelling of 6500274447420 in words is "six trillion, five hundred billion, two hundred seventy-four million, four hundred forty-seven thousand, four hundred twenty".