1992545448 has 32 divisors (see below), whose sum is σ = 5087352960. Its totient is φ = 650049920.

The previous prime is 1992545431. The next prime is 1992545449. The reversal of 1992545448 is 8445452991.

It is a happy number.

1992545448 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1992545448.

It is not an unprimeable number, because it can be changed into a prime (1992545449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882093 + ... + 884348.

It is an arithmetic number, because the mean of its divisors is an integer number (158979780).

Almost surely, 2^1992545448 is an apocalyptic number.

It is an amenable number.

1992545448 is an abundant number, since it is smaller than the sum of its proper divisors (3094807512).

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

1992545448 is a wasteful number, since it uses less digits than its factorization.

1992545448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766497 (or 1766493 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 1992545448 is about 44637.9373179362. The cubic root of 1992545448 is about 1258.3537431870.

The spelling of 1992545448 in words is "one billion, nine hundred ninety-two million, five hundred forty-five thousand, four hundred forty-eight".