2264444240 has 40 divisors (see below), whose sum is σ = 5316978888. Its totient is φ = 896806400.

The previous prime is 2264444213. The next prime is 2264444267. The reversal of 2264444240 is 424444622.

It is an interprime number because it is at equal distance from previous prime (2264444213) and next prime (2264444267).

It can be written as a sum of positive squares in 4 ways, for example, as 1282499344 + 981944896 = 35812^2 + 31336^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2264444197 and 2264444206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132047 + ... + 148206.

Almost surely, 2^2264444240 is an apocalyptic number.

2264444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2264444240 is an abundant number, since it is smaller than the sum of its proper divisors (3052534648).

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

2264444240 is a wasteful number, since it uses less digits than its factorization.

2264444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280367 (or 280361 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 2264444240 is about 47586.1769844983. The cubic root of 2264444240 is about 1313.1687638250.

Adding to 2264444240 its reverse (424444622), we get a palindrome (2688888862).

The spelling of 2264444240 in words is "two billion, two hundred sixty-four million, four hundred forty-four thousand, two hundred forty".