2799894160 has 80 divisors (see below), whose sum is σ = 7450344576. Its totient is φ = 958593024.

The previous prime is 2799894157. The next prime is 2799894161. The reversal of 2799894160 is 614989972.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2799894161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437544 + ... + 443896.

Almost surely, 2^2799894160 is an apocalyptic number.

2799894160 is a gapful number since it is divisible by the number (20) 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 2799894160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725172288).

2799894160 is an abundant number, since it is smaller than the sum of its proper divisors (4650450416).

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

2799894160 is a wasteful number, since it uses less digits than its factorization.

2799894160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7154 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 2799894160 is about 52914.0261178452. The cubic root of 2799894160 is about 1409.4419869964.

The spelling of 2799894160 in words is "two billion, seven hundred ninety-nine million, eight hundred ninety-four thousand, one hundred sixty".