240008401 has 4 divisors (see below), whose sum is σ = 244076400. Its totient is φ = 235940404.

The previous prime is 240008393. The next prime is 240008411. The reversal of 240008401 is 104800042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240008401 - 2³ = 240008393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240008411) 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, 2033911 + ... + 2034028.

It is an arithmetic number, because the mean of its divisors is an integer number (61019100).

Almost surely, 2^240008401 is an apocalyptic number.

It is an amenable number.

240008401 is a deficient number, since it is larger than the sum of its proper divisors (4067999).

240008401 is an equidigital number, since it uses as much as digits as its factorization.

240008401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067998.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 240008401 is about 15492.2045235660. The cubic root of 240008401 is about 621.4537521785.

Adding to 240008401 its reverse (104800042), we get a palindrome (344808443).

The spelling of 240008401 in words is "two hundred forty million, eight thousand, four hundred one".