5281334774280 has 512 divisors, whose sum is σ = 19365120000000. Its totient is φ = 1291179605760.

The previous prime is 5281334774279. The next prime is 5281334774363. The reversal of 5281334774280 is 824774331825.

It is a happy number.

5281334774280 is a `hidden beast` number, since 5 + 2 + 8 + 13 + 347 + 7 + 4 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51474471 + ... + 51576969.

It is an arithmetic number, because the mean of its divisors is an integer number (37822500000).

Almost surely, 2^{5281334774280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5281334774280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9682560000000).

5281334774280 is an abundant number, since it is smaller than the sum of its proper divisors (14083785225720).

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

5281334774280 is a wasteful number, since it uses less digits than its factorization.

5281334774280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102581 (or 102559 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 5281334774280 in words is "five trillion, two hundred eighty-one billion, three hundred thirty-four million, seven hundred seventy-four thousand, two hundred eighty".