440410253 has 12 divisors (see below), whose sum is σ = 465653628. Its totient is φ = 416473920.

The previous prime is 440410199. The next prime is 440410259. The reversal of 440410253 is 352014044.

It can be written as a sum of positive squares in 2 ways, for example, as 415629769 + 24780484 = 20387^2 + 4978^2 .

It is not a de Polignac number, because 440410253 - 2¹⁶ = 440344717 is a prime.

It is a super-2 number, since 2×440410253² = 387922381895048018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440410259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372323 + ... + 373503.

It is an arithmetic number, because the mean of its divisors is an integer number (38804469).

Almost surely, 2^440410253 is an apocalyptic number.

It is an amenable number.

440410253 is a deficient number, since it is larger than the sum of its proper divisors (25243375).

440410253 is a wasteful number, since it uses less digits than its factorization.

440410253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 440410253 is about 20985.9537071823. The cubic root of 440410253 is about 760.8268085172.

Adding to 440410253 its reverse (352014044), we get a palindrome (792424297).

The spelling of 440410253 in words is "four hundred forty million, four hundred ten thousand, two hundred fifty-three".