241720432 has 80 divisors (see below), whose sum is σ = 519966720. Its totient is φ = 108345600.

The previous prime is 241720421. The next prime is 241720469. The reversal of 241720432 is 234027142.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 241720397 and 241720406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265457 + ... + 1265647.

It is an arithmetic number, because the mean of its divisors is an integer number (6499584).

Almost surely, 2^241720432 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 241720432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259983360).

241720432 is an abundant number, since it is smaller than the sum of its proper divisors (278246288).

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

241720432 is a wasteful number, since it uses less digits than its factorization.

241720432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 241720432 is about 15547.3609336119. The cubic root of 241720432 is about 622.9279065176.

Adding to 241720432 its reverse (234027142), we get a palindrome (475747574).

The spelling of 241720432 in words is "two hundred forty-one million, seven hundred twenty thousand, four hundred thirty-two".