440431053 has 16 divisors (see below), whose sum is σ = 625611456. Its totient is φ = 274648320.

The previous prime is 440431049. The next prime is 440431073. The reversal of 440431053 is 350134044.

It is not a de Polignac number, because 440431053 - 2² = 440431049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440431073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18178 + ... + 34803.

It is an arithmetic number, because the mean of its divisors is an integer number (39100716).

Almost surely, 2^440431053 is an apocalyptic number.

It is an amenable number.

440431053 is a deficient number, since it is larger than the sum of its proper divisors (185180403).

440431053 is a wasteful number, since it uses less digits than its factorization.

440431053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53164.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 440431053 is about 20986.4492708986. The cubic root of 440431053 is about 760.8387859469.

Adding to 440431053 its reverse (350134044), we get a palindrome (790565097).

The spelling of 440431053 in words is "four hundred forty million, four hundred thirty-one thousand, fifty-three".