1456643020456 has 64 divisors (see below), whose sum is σ = 2947146612480. Its totient is φ = 670961026560.

The previous prime is 1456643020433. The next prime is 1456643020493. The reversal of 1456643020456 is 6540203466541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247011300 + ... + 247017196.

It is an arithmetic number, because the mean of its divisors is an integer number (46049165820).

Almost surely, 2^{1456643020456} is an apocalyptic number.

It is an amenable number.

1456643020456 is an abundant number, since it is smaller than the sum of its proper divisors (1490503592024).

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

1456643020456 is a wasteful number, since it uses less digits than its factorization.

1456643020456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234 (or 10230 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

Adding to 1456643020456 its reverse (6540203466541), we get a palindrome (7996846486997).

The spelling of 1456643020456 in words is "one trillion, four hundred fifty-six billion, six hundred forty-three million, twenty thousand, four hundred fifty-six".