2281647831540 has 576 divisors, whose sum is σ = 8184860006400. Its totient is φ = 469590912000.

The previous prime is 2281647831527. The next prime is 2281647831569. The reversal of 2281647831540 is 451387461822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3218120706 + ... + 3218121414.

It is an arithmetic number, because the mean of its divisors is an integer number (14209826400).

Almost surely, 2^{2281647831540} is an apocalyptic number.

2281647831540 is a gapful number since it is divisible by the number (20) 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 2281647831540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4092430003200).

2281647831540 is an abundant number, since it is smaller than the sum of its proper divisors (5903212174860).

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

2281647831540 is a wasteful number, since it uses less digits than its factorization.

2281647831540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 2281647831540 in words is "two trillion, two hundred eighty-one billion, six hundred forty-seven million, eight hundred thirty-one thousand, five hundred forty".