440055023 has 16 divisors (see below), whose sum is σ = 461078016. Its totient is φ = 419592960.

The previous prime is 440055017. The next prime is 440055053. The reversal of 440055023 is 320550044.

It is a cyclic number.

It is not a de Polignac number, because 440055023 - 2⁶ = 440054959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440055023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440055053) 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, 515465 + ... + 516317.

It is an arithmetic number, because the mean of its divisors is an integer number (28817376).

Almost surely, 2^440055023 is an apocalyptic number.

440055023 is a deficient number, since it is larger than the sum of its proper divisors (21022993).

440055023 is a wasteful number, since it uses less digits than its factorization.

440055023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 440055023 is about 20977.4884817034. The cubic root of 440055023 is about 760.6221953540.

The spelling of 440055023 in words is "four hundred forty million, fifty-five thousand, twenty-three".