440246401 has 8 divisors (see below), whose sum is σ = 504409280. Its totient is φ = 376401168.

The previous prime is 440246357. The next prime is 440246413. The reversal of 440246401 is 104642044.

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 440246401 - 2⁷ = 440246273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440246441) 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, 76431 + ... + 81988.

It is an arithmetic number, because the mean of its divisors is an integer number (63051160).

Almost surely, 2^440246401 is an apocalyptic number.

It is an amenable number.

440246401 is a deficient number, since it is larger than the sum of its proper divisors (64162879).

440246401 is a wasteful number, since it uses less digits than its factorization.

440246401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158823.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 440246401 is about 20982.0494947467. The cubic root of 440246401 is about 760.7324431260.

Adding to 440246401 its reverse (104642044), we get a palindrome (544888445).

The spelling of 440246401 in words is "four hundred forty million, two hundred forty-six thousand, four hundred one".