240432820 has 12 divisors (see below), whose sum is σ = 504908964. Its totient is φ = 96173120.

The previous prime is 240432817. The next prime is 240432839. The reversal of 240432820 is 28234042.

It can be written as a sum of positive squares in 2 ways, for example, as 148157584 + 92275236 = 12172^2 + 9606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010801 + ... + 6010840.

It is an arithmetic number, because the mean of its divisors is an integer number (42075747).

Almost surely, 2^240432820 is an apocalyptic number.

240432820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240432820 is an abundant number, since it is smaller than the sum of its proper divisors (264476144).

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

240432820 is a wasteful number, since it uses less digits than its factorization.

240432820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021650 (or 12021648 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 240432820 is about 15505.8962978604. The cubic root of 240432820 is about 621.8198525039.

Adding to 240432820 its reverse (28234042), we get a palindrome (268666862).

The spelling of 240432820 in words is "two hundred forty million, four hundred thirty-two thousand, eight hundred twenty".