240824401 has 4 divisors (see below), whose sum is σ = 244772404. Its totient is φ = 236876400.

The previous prime is 240824387. The next prime is 240824413. The reversal of 240824401 is 104428042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54774801 + 186049600 = 7401^2 + 13640^2 .

It is a cyclic number.

It is not a de Polignac number, because 240824401 - 2¹³ = 240816209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240821401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1973910 + ... + 1974031.

It is an arithmetic number, because the mean of its divisors is an integer number (61193101).

Almost surely, 2^240824401 is an apocalyptic number.

It is an amenable number.

240824401 is a deficient number, since it is larger than the sum of its proper divisors (3948003).

240824401 is an equidigital number, since it uses as much as digits as its factorization.

240824401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948002.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 240824401 is about 15518.5180026960. The cubic root of 240824401 is about 622.1572451151.

The spelling of 240824401 in words is "two hundred forty million, eight hundred twenty-four thousand, four hundred one".