4000008888448 has 16 divisors (see below), whose sum is σ = 7968767707710. Its totient is φ = 2000004444160.

The previous prime is 4000008888443. The next prime is 4000008888461. The reversal of 4000008888448 is 8448888000004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2849641095744 + 1150367792704 = 1688088^2 + 1072552^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×4000008888448³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4000008888395 and 4000008888404.

It is not an unprimeable number, because it can be changed into a prime (4000008888443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15625034593 + ... + 15625034848.

Almost surely, 2^{4000008888448} is an apocalyptic number.

It is an amenable number.

4000008888448 is a deficient number, since it is larger than the sum of its proper divisors (3968758819262).

4000008888448 is an equidigital number, since it uses as much as digits as its factorization.

4000008888448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31250069455 (or 31250069443 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 4000008888448 in words is "four trillion, eight million, eight hundred eighty-eight thousand, four hundred forty-eight".