1992548544 has 336 divisors, whose sum is σ = 6588069120. Its totient is φ = 528353280.

The previous prime is 1992548539. The next prime is 1992548557. The reversal of 1992548544 is 4458452991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12691314 + ... + 12691470.

Almost surely, 2^1992548544 is an apocalyptic number.

1992548544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992548544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3294034560).

1992548544 is an abundant number, since it is smaller than the sum of its proper divisors (4595520576).

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

1992548544 is a wasteful number, since it uses less digits than its factorization.

1992548544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 259 counting only the distinct ones).

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

The square root of 1992548544 is about 44637.9719969445. The cubic root of 1992548544 is about 1258.3543949264.

The spelling of 1992548544 in words is "one billion, nine hundred ninety-two million, five hundred forty-eight thousand, five hundred forty-four".