1340512227582 has 128 divisors (see below), whose sum is σ = 3198829252608. Its totient is φ = 369740851200.

The previous prime is 1340512227569. The next prime is 1340512227601. The reversal of 1340512227582 is 2857222150431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55534788 + ... + 55558920.

It is an arithmetic number, because the mean of its divisors is an integer number (24990853536).

Almost surely, 2^{1340512227582} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340512227582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599414626304).

1340512227582 is an abundant number, since it is smaller than the sum of its proper divisors (1858317025026).

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

1340512227582 is a wasteful number, since it uses less digits than its factorization.

1340512227582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 1340512227582 in words is "one trillion, three hundred forty billion, five hundred twelve million, two hundred twenty-seven thousand, five hundred eighty-two".