440461116424501 has 2 divisors, whose sum is σ = 440461116424502. Its totient is φ = 440461116424500.

The previous prime is 440461116424493. The next prime is 440461116424531. The reversal of 440461116424501 is 105424611164044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284087316912100 + 156373799512401 = 16854890^2 + 12504951^2 .

It is a cyclic number.

It is not a de Polignac number, because 440461116424501 - 2³ = 440461116424493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440461116424531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220230558212250 + 220230558212251.

It is an arithmetic number, because the mean of its divisors is an integer number (220230558212251).

Almost surely, 2^{440461116424501} is an apocalyptic number.

It is an amenable number.

440461116424501 is a deficient number, since it is larger than the sum of its proper divisors (1).

440461116424501 is an equidigital number, since it uses as much as digits as its factorization.

440461116424501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 43.

Adding to 440461116424501 its reverse (105424611164044), we get a palindrome (545885727588545).

The spelling of 440461116424501 in words is "four hundred forty trillion, four hundred sixty-one billion, one hundred sixteen million, four hundred twenty-four thousand, five hundred one".