1449974794256 has 10 divisors (see below), whose sum is σ = 2809326163902. Its totient is φ = 724987397120.

The previous prime is 1449974794249. The next prime is 1449974794267. The reversal of 1449974794256 is 6524974799441.

It can be written as a sum of positive squares in only one way, i.e., 1289587360000 + 160387434256 = 1135600^2 + 400484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1449974794256.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45311712305 + ... + 45311712336.

Almost surely, 2^{1449974794256} is an apocalyptic number.

1449974794256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1449974794256 is a deficient number, since it is larger than the sum of its proper divisors (1359351369646).

1449974794256 is an equidigital number, since it uses as much as digits as its factorization.

1449974794256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90623424649 (or 90623424643 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 71.

The spelling of 1449974794256 in words is "one trillion, four hundred forty-nine billion, nine hundred seventy-four million, seven hundred ninety-four thousand, two hundred fifty-six".