4401033440431 has 2 divisors, whose sum is σ = 4401033440432. Its totient is φ = 4401033440430.

The previous prime is 4401033440423. The next prime is 4401033440467. The reversal of 4401033440431 is 1340443301044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4401033440431 - 2³ = 4401033440423 is a prime.

It is a super-2 number, since 2×4401033440431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4401033440393 and 4401033440402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401033440831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200516720215 + 2200516720216.

It is an arithmetic number, because the mean of its divisors is an integer number (2200516720216).

Almost surely, 2^{4401033440431} is an apocalyptic number.

4401033440431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401033440431 is an equidigital number, since it uses as much as digits as its factorization.

4401033440431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4401033440431 its reverse (1340443301044), we get a palindrome (5741476741475).

The spelling of 4401033440431 in words is "four trillion, four hundred one billion, thirty-three million, four hundred forty thousand, four hundred thirty-one".