8440048444 has 24 divisors (see below), whose sum is σ = 16223437440. Its totient is φ = 3824094384.

The previous prime is 8440048427. The next prime is 8440048451. The reversal of 8440048444 is 4448400448.

It is a super-2 number, since 2×8440048444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8440048397 and 8440048406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412454 + ... + 2415949.

It is an arithmetic number, because the mean of its divisors is an integer number (675976560).

Almost surely, 2^8440048444 is an apocalyptic number.

It is an amenable number.

8440048444 is a deficient number, since it is larger than the sum of its proper divisors (7783388996).

8440048444 is a wasteful number, since it uses less digits than its factorization.

8440048444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828449 (or 4828447 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The square root of 8440048444 is about 91869.7362791469. The cubic root of 8440048444 is about 2036.0181560003.

The spelling of 8440048444 in words is "eight billion, four hundred forty million, forty-eight thousand, four hundred forty-four".