1994933760 has 160 divisors (see below), whose sum is σ = 6403063392. Its totient is φ = 529858560.

The previous prime is 1994933741. The next prime is 1994933771. The reversal of 1994933760 is 673394991.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3232972 + ... + 3233588.

Almost surely, 2^1994933760 is an apocalyptic number.

1994933760 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 1994933760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201531696).

1994933760 is an abundant number, since it is smaller than the sum of its proper divisors (4408129632).

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

1994933760 is an equidigital number, since it uses as much as digits as its factorization.

1994933760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 1994933760 is about 44664.6813489137. The cubic root of 1994933760 is about 1258.8563066107.

The spelling of 1994933760 in words is "one billion, nine hundred ninety-four million, nine hundred thirty-three thousand, seven hundred sixty".