440125013 has 8 divisors (see below), whose sum is σ = 448644000. Its totient is φ = 431682768.

The previous prime is 440125009. The next prime is 440125043. The reversal of 440125013 is 310521044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440125013 - 2² = 440125009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440125043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7538 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (56080500).

Almost surely, 2^440125013 is an apocalyptic number.

It is an amenable number.

440125013 is a deficient number, since it is larger than the sum of its proper divisors (8518987).

440125013 is a wasteful number, since it uses less digits than its factorization.

440125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38371.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 440125013 is about 20979.1566322386. The cubic root of 440125013 is about 760.6625184368.

Adding to 440125013 its reverse (310521044), we get a palindrome (750646057).

The spelling of 440125013 in words is "four hundred forty million, one hundred twenty-five thousand, thirteen".