1340894776320 has 2112 divisors, whose sum is σ = 5661526440960. Its totient is φ = 289839513600.

The previous prime is 1340894776271. The next prime is 1340894776327. The reversal of 1340894776320 is 236774980431.

1340894776320 is a `hidden beast` number, since 1 + 3 + 408 + 94 + 77 + 63 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2112).

It is not an unprimeable number, because it can be changed into a prime (1340894776327) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18885841885 + ... + 18885841955.

Almost surely, 2^{1340894776320} is an apocalyptic number.

1340894776320 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 1340894776320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2830763220480).

1340894776320 is an abundant number, since it is smaller than the sum of its proper divisors (4320631664640).

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

1340894776320 is a wasteful number, since it uses less digits than its factorization.

1340894776320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 1340894776320 in words is "one trillion, three hundred forty billion, eight hundred ninety-four million, seven hundred seventy-six thousand, three hundred twenty".