2240402389 has 2 divisors, whose sum is σ = 2240402390. Its totient is φ = 2240402388.

The previous prime is 2240402363. The next prime is 2240402447. The reversal of 2240402389 is 9832040422.

2240402389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1854594225 + 385808164 = 43065^2 + 19642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240402389 - 2⁵ = 2240402357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240402789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120201194 + 1120201195.

It is an arithmetic number, because the mean of its divisors is an integer number (1120201195).

Almost surely, 2^2240402389 is an apocalyptic number.

It is an amenable number.

2240402389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240402389 is an equidigital number, since it uses as much as digits as its factorization.

2240402389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2240402389 is about 47332.8890835960. The cubic root of 2240402389 is about 1308.5048670691.

The spelling of 2240402389 in words is "two billion, two hundred forty million, four hundred two thousand, three hundred eighty-nine".