1992994560 has 216 divisors, whose sum is σ = 6961119984. Its totient is φ = 526417920.

The previous prime is 1992994559. The next prime is 1992994561. The reversal of 1992994560 is 654992991.

1992994560 is a `hidden beast` number, since 19 + 92 + 99 + 456 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1992994559) and next prime (1992994561).

It is a junction number, because it is equal to n+sod(n) for n = 1992994497 and 1992994506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992994561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300995 + ... + 1302525.

Almost surely, 2^1992994560 is an apocalyptic number.

1992994560 is a gapful number since it is divisible by the number (10) 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 1992994560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480559992).

1992994560 is an abundant number, since it is smaller than the sum of its proper divisors (4968125424).

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

1992994560 is a wasteful number, since it uses less digits than its factorization.

1992994560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 1992994560 is about 44642.9676432918. The cubic root of 1992994560 is about 1258.4482787658.

The spelling of 1992994560 in words is "one billion, nine hundred ninety-two million, nine hundred ninety-four thousand, five hundred sixty".