1749444449472 has 84 divisors (see below), whose sum is σ = 5014835589816. Its totient is φ = 583105244160.

The previous prime is 1749444449443. The next prime is 1749444449513. The reversal of 1749444449472 is 2749444449471.

1749444449472 is a `hidden beast` number, since 1 + 7 + 49 + 44 + 44 + 49 + 472 = 666.

It is a super-2 number, since 2×1749444449472² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8268847 + ... + 8477777.

Almost surely, 2^{1749444449472} is an apocalyptic number.

1749444449472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1749444449472 is an abundant number, since it is smaller than the sum of its proper divisors (3265391140344).

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

1749444449472 is a wasteful number, since it uses less digits than its factorization.

1749444449472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223486 (or 223473 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 63.

Subtracting 1749444449472 from its reverse (2749444449471), we obtain a palindrome (999999999999).

The spelling of 1749444449472 in words is "one trillion, seven hundred forty-nine billion, four hundred forty-four million, four hundred forty-nine thousand, four hundred seventy-two".