1340245254401 has 4 divisors (see below), whose sum is σ = 1340316551472. Its totient is φ = 1340173957332.

The previous prime is 1340245254323. The next prime is 1340245254407. The reversal of 1340245254401 is 1044525420431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340245254401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340245254407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35620331 + ... + 35657936.

It is an arithmetic number, because the mean of its divisors is an integer number (335079137868).

Almost surely, 2^{1340245254401} is an apocalyptic number.

It is an amenable number.

1340245254401 is a deficient number, since it is larger than the sum of its proper divisors (71297071).

1340245254401 is an equidigital number, since it uses as much as digits as its factorization.

1340245254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71297070.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1340245254401 in words is "one trillion, three hundred forty billion, two hundred forty-five million, two hundred fifty-four thousand, four hundred one".