2281589594440 has 64 divisors (see below), whose sum is σ = 5528650982400. Its totient is φ = 842405060352.

The previous prime is 2281589594423. The next prime is 2281589594441. The reversal of 2281589594440 is 444959851822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2281589594441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21974889 + ... + 22078471.

It is an arithmetic number, because the mean of its divisors is an integer number (86385171600).

Almost surely, 2^{2281589594440} is an apocalyptic number.

2281589594440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281589594440 is an abundant number, since it is smaller than the sum of its proper divisors (3247061387960).

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

2281589594440 is a wasteful number, since it uses less digits than its factorization.

2281589594440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145966 (or 145962 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 2281589594440 in words is "two trillion, two hundred eighty-one billion, five hundred eighty-nine million, five hundred ninety-four thousand, four hundred forty".