2263513240 has 64 divisors (see below), whose sum is σ = 5236630560. Its totient is φ = 880020480.

The previous prime is 2263513207. The next prime is 2263513277. The reversal of 2263513240 is 423153622.

It is a junction number, because it is equal to n+sod(n) for n = 2263513199 and 2263513208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461682 + ... + 466558.

Almost surely, 2^2263513240 is an apocalyptic number.

2263513240 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 2263513240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618315280).

2263513240 is an abundant number, since it is smaller than the sum of its proper divisors (2973117320).

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

2263513240 is a wasteful number, since it uses less digits than its factorization.

2263513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2263513240 is about 47576.3937263009. The cubic root of 2263513240 is about 1312.9887744508.

Adding to 2263513240 its reverse (423153622), we get a palindrome (2686666862).

The spelling of 2263513240 in words is "two billion, two hundred sixty-three million, five hundred thirteen thousand, two hundred forty".