2799818240 has 40 divisors (see below), whose sum is σ = 6713007840. Its totient is φ = 1119926272.

The previous prime is 2799818239. The next prime is 2799818257. The reversal of 2799818240 is 428189972.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544280 + ... + 549399.

It is an arithmetic number, because the mean of its divisors is an integer number (167825196).

Almost surely, 2^2799818240 is an apocalyptic number.

2799818240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2799818240 is an abundant number, since it is smaller than the sum of its proper divisors (3913189600).

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

2799818240 is an equidigital number, since it uses as much as digits as its factorization.

2799818240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093702 (or 1093686 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 2799818240 is about 52913.3087228535. The cubic root of 2799818240 is about 1409.4292477288.

The spelling of 2799818240 in words is "two billion, seven hundred ninety-nine million, eight hundred eighteen thousand, two hundred forty".