4448628512 has 12 divisors (see below), whose sum is σ = 8758237446. Its totient is φ = 2224314240.

The previous prime is 4448628473. The next prime is 4448628523. The reversal of 4448628512 is 2158268444.

It can be written as a sum of positive squares in only one way, i.e., 3884280976 + 564347536 = 62324^2 + 23756^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69509789 + ... + 69509852.

Almost surely, 2^4448628512 is an apocalyptic number.

It is an amenable number.

4448628512 is a deficient number, since it is larger than the sum of its proper divisors (4309608934).

4448628512 is a wasteful number, since it uses less digits than its factorization.

4448628512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139019651 (or 139019643 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 4448628512 is about 66698.0397912862. The cubic root of 4448628512 is about 1644.6571609633.

The spelling of 4448628512 in words is "four billion, four hundred forty-eight million, six hundred twenty-eight thousand, five hundred twelve".