440233412121 has 12 divisors (see below), whose sum is σ = 649422339072. Its totient is φ = 287244495576.

The previous prime is 440233412111. The next prime is 440233412131. The reversal of 440233412121 is 121214332044.

440233412121 is a `hidden beast` number, since 4 + 4 + 0 + 233 + 412 + 12 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (440233412111) and next prime (440233412131).

It is not a de Polignac number, because 440233412121 - 2⁶ = 440233412057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440233412111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520370041 + ... + 520370886.

It is an arithmetic number, because the mean of its divisors is an integer number (54118528256).

Almost surely, 2^440233412121 is an apocalyptic number.

It is an amenable number.

440233412121 is a deficient number, since it is larger than the sum of its proper divisors (209188926951).

440233412121 is a wasteful number, since it uses less digits than its factorization.

440233412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040740980 (or 1040740977 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 440233412121 its reverse (121214332044), we get a palindrome (561447744165).

The spelling of 440233412121 in words is "four hundred forty billion, two hundred thirty-three million, four hundred twelve thousand, one hundred twenty-one".