3980018004 has 12 divisors (see below), whose sum is σ = 9286708704. Its totient is φ = 1326672664.

The previous prime is 3980017999. The next prime is 3980018039. The reversal of 3980018004 is 4008100893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165834072 + ... + 165834095.

It is an arithmetic number, because the mean of its divisors is an integer number (773892392).

Almost surely, 2^3980018004 is an apocalyptic number.

It is an amenable number.

3980018004 is an abundant number, since it is smaller than the sum of its proper divisors (5306690700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3980018004 is a wasteful number, since it uses less digits than its factorization.

3980018004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331668174 (or 331668172 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 3980018004 is about 63087.3838734814. The cubic root of 3980018004 is about 1584.7533514105.

Adding to 3980018004 its reverse (4008100893), we get a palindrome (7988118897).

The spelling of 3980018004 in words is "three billion, nine hundred eighty million, eighteen thousand, four".