2381226340 has 24 divisors (see below), whose sum is σ = 5217992640. Its totient is φ = 911077728.

The previous prime is 2381226269. The next prime is 2381226349. The reversal of 2381226340 is 436221832.

2381226340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2381226349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587830 + ... + 2588749.

It is an arithmetic number, because the mean of its divisors is an integer number (217416360).

Almost surely, 2^2381226340 is an apocalyptic number.

2381226340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381226340 is an abundant number, since it is smaller than the sum of its proper divisors (2836766300).

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

2381226340 is a wasteful number, since it uses less digits than its factorization.

2381226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176611 (or 5176609 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2381226340 is about 48797.8108115518. The cubic root of 2381226340 is about 1335.3657280935.

The spelling of 2381226340 in words is "two billion, three hundred eighty-one million, two hundred twenty-six thousand, three hundred forty".