1341897891840 has 1120 divisors, whose sum is σ = 5323209446016. Its totient is φ = 320663715840.

The previous prime is 1341897891821. The next prime is 1341897891863. The reversal of 1341897891840 is 481987981431.

1341897891840 is a `hidden beast` number, since 1 + 3 + 418 + 97 + 8 + 91 + 8 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3029114659 + ... + 3029115101.

Almost surely, 2^{1341897891840} is an apocalyptic number.

1341897891840 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 1341897891840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661604723008).

1341897891840 is an abundant number, since it is smaller than the sum of its proper divisors (3981311554176).

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

1341897891840 is an equidigital number, since it uses as much as digits as its factorization.

1341897891840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 1341897891840 in words is "one trillion, three hundred forty-one billion, eight hundred ninety-seven million, eight hundred ninety-one thousand, eight hundred forty".