2279509360 has 80 divisors (see below), whose sum is σ = 5505361920. Its totient is φ = 876821760.

The previous prime is 2279509339. The next prime is 2279509367. The reversal of 2279509360 is 639059722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279509367) 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, 401421 + ... + 407059.

It is an arithmetic number, because the mean of its divisors is an integer number (68817024).

Almost surely, 2^2279509360 is an apocalyptic number.

2279509360 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 2279509360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752680960).

2279509360 is an abundant number, since it is smaller than the sum of its proper divisors (3225852560).

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

2279509360 is a wasteful number, since it uses less digits than its factorization.

2279509360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 2279509360 is about 47744.2076067872. The cubic root of 2279509360 is about 1316.0744561736.

The spelling of 2279509360 in words is "two billion, two hundred seventy-nine million, five hundred nine thousand, three hundred sixty".