240420352 has 40 divisors (see below), whose sum is σ = 481980312. Its totient is φ = 119808000.

The previous prime is 240420347. The next prime is 240420359. The reversal of 240420352 is 253024042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240420359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204727 + ... + 205897.

Almost surely, 2^240420352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240420352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240990156).

240420352 is an abundant number, since it is smaller than the sum of its proper divisors (241559960).

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

240420352 is an equidigital number, since it uses as much as digits as its factorization.

240420352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 240420352 is about 15505.4942520385. The cubic root of 240420352 is about 621.8091038549.

Adding to 240420352 its reverse (253024042), we get a palindrome (493444394).

The spelling of 240420352 in words is "two hundred forty million, four hundred twenty thousand, three hundred fifty-two".