2989538480 has 80 divisors (see below), whose sum is σ = 7050486240. Its totient is φ = 1178732544.

The previous prime is 2989538473. The next prime is 2989538507. The reversal of 2989538480 is 848359892.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4577834 + ... + 4578486.

It is an arithmetic number, because the mean of its divisors is an integer number (88131078).

Almost surely, 2^2989538480 is an apocalyptic number.

2989538480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989538480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525243120).

2989538480 is an abundant number, since it is smaller than the sum of its proper divisors (4060947760).

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

2989538480 is a wasteful number, since it uses less digits than its factorization.

2989538480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The square root of 2989538480 is about 54676.6721737891. The cubic root of 2989538480 is about 1440.5711597429.

The spelling of 2989538480 in words is "two billion, nine hundred eighty-nine million, five hundred thirty-eight thousand, four hundred eighty".