2340021530 has 64 divisors (see below), whose sum is σ = 5303543040. Its totient is φ = 722112000.

The previous prime is 2340021529. The next prime is 2340021539. The reversal of 2340021530 is 351200432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2340021539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62726 + ... + 92814.

It is an arithmetic number, because the mean of its divisors is an integer number (82867860).

Almost surely, 2^2340021530 is an apocalyptic number.

2340021530 is an abundant number, since it is smaller than the sum of its proper divisors (2963521510).

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

2340021530 is a wasteful number, since it uses less digits than its factorization.

2340021530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30215.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2340021530 is about 48373.7690282657. The cubic root of 2340021530 is about 1327.6184659783.

Adding to 2340021530 its reverse (351200432), we get a palindrome (2691221962).

It can be divided in two parts, 234002 and 1530, that added together give a palindrome (235532).

The spelling of 2340021530 in words is "two billion, three hundred forty million, twenty-one thousand, five hundred thirty".