240233004421 has 4 divisors (see below), whose sum is σ = 241119473344. Its totient is φ = 239346535500.

The previous prime is 240233004413. The next prime is 240233004433. The reversal of 240233004421 is 124400332042.

It is a happy number.

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 240233004421 - 2³ = 240233004413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240233004521) 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, 443234055 + ... + 443234596.

It is an arithmetic number, because the mean of its divisors is an integer number (60279868336).

Almost surely, 2^240233004421 is an apocalyptic number.

It is an amenable number.

240233004421 is a deficient number, since it is larger than the sum of its proper divisors (886468923).

240233004421 is an equidigital number, since it uses as much as digits as its factorization.

240233004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886468922.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 240233004421 its reverse (124400332042), we get a palindrome (364633336463).

The spelling of 240233004421 in words is "two hundred forty billion, two hundred thirty-three million, four thousand, four hundred twenty-one".