2319449860 has 48 divisors (see below), whose sum is σ = 5994890496. Its totient is φ = 734067072.

The previous prime is 2319449843. The next prime is 2319449861. The reversal of 2319449860 is 689449132.

It is a self number, because there is not a number n which added to its sum of digits gives 2319449860.

It is not an unprimeable number, because it can be changed into a prime (2319449861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635392 + ... + 639031.

It is an arithmetic number, because the mean of its divisors is an integer number (124893552).

Almost surely, 2^2319449860 is an apocalyptic number.

2319449860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2319449860 is an abundant number, since it is smaller than the sum of its proper divisors (3675440636).

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

2319449860 is a wasteful number, since it uses less digits than its factorization.

2319449860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274452 (or 1274450 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2319449860 is about 48160.6671465419. The cubic root of 2319449860 is about 1323.7165423979.

The spelling of 2319449860 in words is "two billion, three hundred nineteen million, four hundred forty-nine thousand, eight hundred sixty".