3728159980 has 24 divisors (see below), whose sum is σ = 7831862640. Its totient is φ = 1490744640.

The previous prime is 3728159927. The next prime is 3728159987. The reversal of 3728159980 is 899518273.

It is not an unprimeable number, because it can be changed into a prime (3728159987) by changing a digit.

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, 29266 + ... + 91174.

It is an arithmetic number, because the mean of its divisors is an integer number (326327610).

Almost surely, 2^3728159980 is an apocalyptic number.

It is an amenable number.

3728159980 is an abundant number, since it is smaller than the sum of its proper divisors (4103702660).

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

3728159980 is a wasteful number, since it uses less digits than its factorization.

3728159980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64929 (or 64927 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 3728159980 is about 61058.6601556241. The cubic root of 3728159980 is about 1550.5942889360.

The spelling of 3728159980 in words is "three billion, seven hundred twenty-eight million, one hundred fifty-nine thousand, nine hundred eighty".