440055013 has 8 divisors (see below), whose sum is σ = 480971520. Its totient is φ = 400808640.

The previous prime is 440055001. The next prime is 440055017. The reversal of 440055013 is 310550044.

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 440055013 - 2²⁵ = 406500581 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 (440055017) 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, 416983 + ... + 418036.

It is an arithmetic number, because the mean of its divisors is an integer number (60121440).

Almost surely, 2^440055013 is an apocalyptic number.

It is an amenable number.

440055013 is a deficient number, since it is larger than the sum of its proper divisors (40916507).

440055013 is a wasteful number, since it uses less digits than its factorization.

440055013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835067.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 440055013 is about 20977.4882433527. The cubic root of 440055013 is about 760.6221895924.

The spelling of 440055013 in words is "four hundred forty million, fifty-five thousand, thirteen".