1791447448 has 48 divisors (see below), whose sum is σ = 3960955080. Its totient is φ = 757233792.

The previous prime is 1791447439. The next prime is 1791447461. The reversal of 1791447448 is 8447441971.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

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, 2686 + ... + 59917.

Almost surely, 2^1791447448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1791447448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980477540).

1791447448 is an abundant number, since it is smaller than the sum of its proper divisors (2169507632).

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

1791447448 is a wasteful number, since it uses less digits than its factorization.

1791447448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62696 (or 62685 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 1791447448 is about 42325.4940668151. The cubic root of 1791447448 is about 1214.5107341526.

The spelling of 1791447448 in words is "one billion, seven hundred ninety-one million, four hundred forty-seven thousand, four hundred forty-eight".