2280256340 has 48 divisors (see below), whose sum is σ = 5008131072. Its totient is φ = 870456576.

The previous prime is 2280256339. The next prime is 2280256357. The reversal of 2280256340 is 436520822.

It is a super-2 number, since 2×2280256340² = 10399137952220391200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2280256297 and 2280256306.

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, 204797 + ... + 215643.

It is an arithmetic number, because the mean of its divisors is an integer number (104336064).

Almost surely, 2^2280256340 is an apocalyptic number.

2280256340 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 2280256340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504065536).

2280256340 is an abundant number, since it is smaller than the sum of its proper divisors (2727874732).

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

2280256340 is a wasteful number, since it uses less digits than its factorization.

2280256340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336 (or 11334 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2280256340 is about 47752.0296950821. The cubic root of 2280256340 is about 1316.2181967450.

The spelling of 2280256340 in words is "two billion, two hundred eighty million, two hundred fifty-six thousand, three hundred forty".