440100401 has 8 divisors (see below), whose sum is σ = 498899520. Its totient is φ = 384864912.

The previous prime is 440100391. The next prime is 440100407. The reversal of 440100401 is 104001044.

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

It is not a de Polignac number, because 440100401 - 2¹⁸ = 439838257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440100407) 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, 890645 + ... + 891138.

It is an arithmetic number, because the mean of its divisors is an integer number (62362440).

Almost surely, 2^440100401 is an apocalyptic number.

It is an amenable number.

440100401 is a deficient number, since it is larger than the sum of its proper divisors (58799119).

440100401 is a wasteful number, since it uses less digits than its factorization.

440100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781815.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 440100401 is about 20978.5700418308. The cubic root of 440100401 is about 760.6483393026.

Adding to 440100401 its reverse (104001044), we get a palindrome (544101445).

The spelling of 440100401 in words is "four hundred forty million, one hundred thousand, four hundred one".