4138664980 has 48 divisors (see below), whose sum is σ = 8754863040. Its totient is φ = 1643378688.

The previous prime is 4138664923. The next prime is 4138664983. The reversal of 4138664980 is 894668314.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138664983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542927 + ... + 2544553.

It is an arithmetic number, because the mean of its divisors is an integer number (182392980).

Almost surely, 2^4138664980 is an apocalyptic number.

It is an amenable number.

4138664980 is an abundant number, since it is smaller than the sum of its proper divisors (4616198060).

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

4138664980 is a wasteful number, since it uses less digits than its factorization.

4138664980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 4138664980 is about 64332.4566606934. The cubic root of 4138664980 is about 1605.5361581893.

The spelling of 4138664980 in words is "four billion, one hundred thirty-eight million, six hundred sixty-four thousand, nine hundred eighty".