440243352534455 has 16 divisors (see below), whose sum is σ = 554147425972224. Its totient is φ = 335118090325920.

The previous prime is 440243352534421. The next prime is 440243352534457. The reversal of 440243352534455 is 554435253342044.

It is not a de Polignac number, because 440243352534455 - 2⁸ = 440243352534199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440243352534397 and 440243352534406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440243352534457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10021452029 + ... + 10021495958.

It is an arithmetic number, because the mean of its divisors is an integer number (34634214123264).

Almost surely, 2^{440243352534455} is an apocalyptic number.

440243352534455 is a deficient number, since it is larger than the sum of its proper divisors (113904073437769).

440243352534455 is a wasteful number, since it uses less digits than its factorization.

440243352534455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20042948206.

The product of its (nonzero) digits is 69120000, while the sum is 53.

The spelling of 440243352534455 in words is "four hundred forty trillion, two hundred forty-three billion, three hundred fifty-two million, five hundred thirty-four thousand, four hundred fifty-five".