3968520044 has 24 divisors (see below), whose sum is σ = 7313564160. Its totient is φ = 1879019856.

The previous prime is 3968520043. The next prime is 3968520053. The reversal of 3968520044 is 4400258693.

It is a junction number, because it is equal to n+sod(n) for n = 3968519983 and 3968520010.

It is not an unprimeable number, because it can be changed into a prime (3968520043) 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, 191309 + ... + 211035.

It is an arithmetic number, because the mean of its divisors is an integer number (304731840).

Almost surely, 2^3968520044 is an apocalyptic number.

It is an amenable number.

3968520044 is a deficient number, since it is larger than the sum of its proper divisors (3345044116).

3968520044 is a wasteful number, since it uses less digits than its factorization.

3968520044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397 (or 22395 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 3968520044 is about 62996.1907102326. The cubic root of 3968520044 is about 1583.2258034109.

The spelling of 3968520044 in words is "three billion, nine hundred sixty-eight million, five hundred twenty thousand, forty-four".