240435220 has 12 divisors (see below), whose sum is σ = 504914004. Its totient is φ = 96174080.

The previous prime is 240435211. The next prime is 240435241. The reversal of 240435220 is 22534042.

It can be written as a sum of positive squares in 2 ways, for example, as 161900176 + 78535044 = 12724^2 + 8862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 240435191 and 240435200.

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, 6010861 + ... + 6010900.

It is an arithmetic number, because the mean of its divisors is an integer number (42076167).

Almost surely, 2^240435220 is an apocalyptic number.

240435220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240435220 is an abundant number, since it is smaller than the sum of its proper divisors (264478784).

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

240435220 is a wasteful number, since it uses less digits than its factorization.

240435220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021770 (or 12021768 counting only the distinct ones).

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

The square root of 240435220 is about 15505.9736875825. The cubic root of 240435220 is about 621.8219214986.

Adding to 240435220 its reverse (22534042), we get a palindrome (262969262).

The spelling of 240435220 in words is "two hundred forty million, four hundred thirty-five thousand, two hundred twenty".