1797281444 has 12 divisors (see below), whose sum is σ = 3594562944. Its totient is φ = 770263464.

The previous prime is 1797281443. The next prime is 1797281483. The reversal of 1797281444 is 4441827971.

1797281444 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1797281443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32094284 + ... + 32094339.

It is an arithmetic number, because the mean of its divisors is an integer number (299546912).

Almost surely, 2^1797281444 is an apocalyptic number.

1797281444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1797281444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1797281444 is a wasteful number, since it uses less digits than its factorization.

1797281444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64188634 (or 64188632 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 1797281444 is about 42394.3562753346. The cubic root of 1797281444 is about 1215.8276903020.

The spelling of 1797281444 in words is "one billion, seven hundred ninety-seven million, two hundred eighty-one thousand, four hundred forty-four".