2340528390 has 48 divisors (see below), whose sum is σ = 6095640096. Its totient is φ = 623088000.

The previous prime is 2340528383. The next prime is 2340528391. The reversal of 2340528390 is 938250432.

2340528390 is a `hidden beast` number, since 2 + 3 + 40 + 528 + 3 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340528391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32455 + ... + 75725.

It is an arithmetic number, because the mean of its divisors is an integer number (126992502).

Almost surely, 2^2340528390 is an apocalyptic number.

2340528390 is an abundant number, since it is smaller than the sum of its proper divisors (3755111706).

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

2340528390 is a wasteful number, since it uses less digits than its factorization.

2340528390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43885 (or 43882 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2340528390 is about 48379.0077409614. The cubic root of 2340528390 is about 1327.7143152554.

The spelling of 2340528390 in words is "two billion, three hundred forty million, five hundred twenty-eight thousand, three hundred ninety".