4408640401 has 8 divisors (see below), whose sum is σ = 4881209184. Its totient is φ = 3948035520.

The previous prime is 4408640381. The next prime is 4408640419. The reversal of 4408640401 is 1040468044.

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

It is not a de Polignac number, because 4408640401 - 2⁷ = 4408640273 is a prime.

It is a super-2 number, since 2×4408640401² = 38872220370658881602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4408640441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990200 + ... + 2991673.

It is an arithmetic number, because the mean of its divisors is an integer number (610151148).

Almost surely, 2^4408640401 is an apocalyptic number.

It is an amenable number.

4408640401 is a deficient number, since it is larger than the sum of its proper divisors (472568783).

4408640401 is a wasteful number, since it uses less digits than its factorization.

4408640401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981951.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 4408640401 is about 66397.5933374095. The cubic root of 4408640401 is about 1639.7144556648.

It can be divided in two parts, 4408 and 640401, that added together give a square (644809 = 803²).

The spelling of 4408640401 in words is "four billion, four hundred eight million, six hundred forty thousand, four hundred one".