440216125 has 8 divisors (see below), whose sum is σ = 549389880. Its totient is φ = 352172800.

The previous prime is 440216093. The next prime is 440216131. The reversal of 440216125 is 521612044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72267001 + 367949124 = 8501^2 + 19182^2 .

It is not a de Polignac number, because 440216125 - 2⁵ = 440216093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 440216125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760740 + ... + 1760989.

It is an arithmetic number, because the mean of its divisors is an integer number (68673735).

Almost surely, 2^440216125 is an apocalyptic number.

It is an amenable number.

440216125 is a deficient number, since it is larger than the sum of its proper divisors (109173755).

440216125 is an equidigital number, since it uses as much as digits as its factorization.

440216125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521744 (or 3521734 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 440216125 is about 20981.3280084936. The cubic root of 440216125 is about 760.7150040560.

Adding to 440216125 its reverse (521612044), we get a palindrome (961828169).

The spelling of 440216125 in words is "four hundred forty million, two hundred sixteen thousand, one hundred twenty-five".