440265155 has 12 divisors (see below), whose sum is σ = 580714176. Its totient is φ = 320192400.

The previous prime is 440265151. The next prime is 440265179. The reversal of 440265155 is 551562044.

It is not a de Polignac number, because 440265155 - 2² = 440265151 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440265151) 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 in 11 ways as a sum of consecutive naturals, for example, 363251 + ... + 364460.

It is an arithmetic number, because the mean of its divisors is an integer number (48392848).

Almost surely, 2^440265155 is an apocalyptic number.

440265155 is a deficient number, since it is larger than the sum of its proper divisors (140449021).

440265155 is a wasteful number, since it uses less digits than its factorization.

440265155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727738 (or 727727 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 440265155 is about 20982.4963958057. The cubic root of 440265155 is about 760.7432450873.

The spelling of 440265155 in words is "four hundred forty million, two hundred sixty-five thousand, one hundred fifty-five".