1994968080 has 480 divisors, whose sum is σ = 8189475840. Its totient is φ = 425088000.

The previous prime is 1994968051. The next prime is 1994968093. The reversal of 1994968080 is 808694991.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7947955 + ... + 7948205.

It is an arithmetic number, because the mean of its divisors is an integer number (17061408).

Almost surely, 2^1994968080 is an apocalyptic number.

1994968080 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 1994968080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4094737920).

1994968080 is an abundant number, since it is smaller than the sum of its proper divisors (6194507760).

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

1994968080 is a wasteful number, since it uses less digits than its factorization.

1994968080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 1994968080 is about 44665.0655434423. The cubic root of 1994968080 is about 1258.8635255138.

The spelling of 1994968080 in words is "one billion, nine hundred ninety-four million, nine hundred sixty-eight thousand, eighty".