440424300133 has 4 divisors (see below), whose sum is σ = 440547292908. Its totient is φ = 440301307360.

The previous prime is 440424300101. The next prime is 440424300179. The reversal of 440424300133 is 331003424044.

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 282936758724 + 157487541409 = 531918^2 + 396847^2 .

It is a cyclic number.

It is not a de Polignac number, because 440424300133 - 2⁵ = 440424300101 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 (440424300233) 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, 61491016 + ... + 61498177.

It is an arithmetic number, because the mean of its divisors is an integer number (110136823227).

Almost surely, 2^440424300133 is an apocalyptic number.

It is an amenable number.

440424300133 is a deficient number, since it is larger than the sum of its proper divisors (122992775).

440424300133 is a wasteful number, since it uses less digits than its factorization.

440424300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122992774.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 440424300133 its reverse (331003424044), we get a palindrome (771427724177).

The spelling of 440424300133 in words is "four hundred forty billion, four hundred twenty-four million, three hundred thousand, one hundred thirty-three".