1340286894720 has 512 divisors, whose sum is σ = 4915427328000. Its totient is φ = 344789913600.

The previous prime is 1340286894649. The next prime is 1340286894797. The reversal of 1340286894720 is 274986820431.

1340286894720 is a `hidden beast` number, since 1 + 3 + 402 + 86 + 8 + 94 + 72 + 0 = 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 63 ways as a sum of consecutive naturals, for example, 177306301 + ... + 177313859.

It is an arithmetic number, because the mean of its divisors is an integer number (9600444000).

Almost surely, 2^{1340286894720} is an apocalyptic number.

1340286894720 is a gapful number since it is divisible by the number (10) 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 1340286894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457713664000).

1340286894720 is an abundant number, since it is smaller than the sum of its proper divisors (3575140433280).

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

1340286894720 is a wasteful number, since it uses less digits than its factorization.

1340286894720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1340286894720 in words is "one trillion, three hundred forty billion, two hundred eighty-six million, eight hundred ninety-four thousand, seven hundred twenty".