440242444242037 has 2 divisors, whose sum is σ = 440242444242038. Its totient is φ = 440242444242036.

The previous prime is 440242444242023. The next prime is 440242444242101. The reversal of 440242444242037 is 730242444242044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401077765009476 + 39164679232561 = 20026926^2 + 6258169^2 .

It is a cyclic number.

It is not a de Polignac number, because 440242444242037 - 2¹¹ = 440242444239989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440242444242437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220121222121018 + 220121222121019.

It is an arithmetic number, because the mean of its divisors is an integer number (220121222121019).

Almost surely, 2^{440242444242037} is an apocalyptic number.

It is an amenable number.

440242444242037 is a deficient number, since it is larger than the sum of its proper divisors (1).

440242444242037 is an equidigital number, since it uses as much as digits as its factorization.

440242444242037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5505024, while the sum is 46.

The spelling of 440242444242037 in words is "four hundred forty trillion, two hundred forty-two billion, four hundred forty-four million, two hundred forty-two thousand, thirty-seven".