440955997 has 4 divisors (see below), whose sum is σ = 455180416. Its totient is φ = 426731580.

The previous prime is 440955961. The next prime is 440956037. The reversal of 440955997 is 799559044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440955997 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 (440955797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7112163 + ... + 7112224.

It is an arithmetic number, because the mean of its divisors is an integer number (113795104).

Almost surely, 2^440955997 is an apocalyptic number.

It is an amenable number.

440955997 is a deficient number, since it is larger than the sum of its proper divisors (14224419).

440955997 is a wasteful number, since it uses less digits than its factorization.

440955997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14224418.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 440955997 is about 20998.9522833879. The cubic root of 440955997 is about 761.1409438586.

It can be divided in two parts, 4409 and 55997, that added together give a palindrome (60406).

The spelling of 440955997 in words is "four hundred forty million, nine hundred fifty-five thousand, nine hundred ninety-seven".