2298444840 has 48 divisors (see below), whose sum is σ = 7469946900. Its totient is φ = 612918528.

The previous prime is 2298444823. The next prime is 2298444853. The reversal of 2298444840 is 484448922.

It can be written as a sum of positive squares in 2 ways, for example, as 1865721636 + 432723204 = 43194^2 + 20802^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3191925 + ... + 3192644.

Almost surely, 2^2298444840 is an apocalyptic number.

2298444840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2298444840 is an abundant number, since it is smaller than the sum of its proper divisors (5171502060).

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

2298444840 is a wasteful number, since it uses less digits than its factorization.

2298444840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384586 (or 6384579 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 2298444840 is about 47942.0988276483. The cubic root of 2298444840 is about 1319.7085444669.

The spelling of 2298444840 in words is "two billion, two hundred ninety-eight million, four hundred forty-four thousand, eight hundred forty".