1454815664256 has 64 divisors (see below), whose sum is σ = 3864911824800. Its totient is φ = 484868567040.

The previous prime is 1454815664231. The next prime is 1454815664261. The reversal of 1454815664256 is 6524665184541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1454815664196 and 1454815664205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425416 + ... + 2965176.

Almost surely, 2^{1454815664256} is an apocalyptic number.

1454815664256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1454815664256 is an abundant number, since it is smaller than the sum of its proper divisors (2410096160544).

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

1454815664256 is an equidigital number, since it uses as much as digits as its factorization.

1454815664256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546797 (or 546785 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 1454815664256 in words is "one trillion, four hundred fifty-four billion, eight hundred fifteen million, six hundred sixty-four thousand, two hundred fifty-six".