28980015600 has 240 divisors, whose sum is σ = 98677478880. Its totient is φ = 7245004800.

The previous prime is 28980015551. The next prime is 28980015611. The reversal of 28980015600 is 651008982.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5484960 + ... + 5490240.

It is an arithmetic number, because the mean of its divisors is an integer number (411156162).

Almost surely, 2^28980015600 is an apocalyptic number.

28980015600 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 28980015600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49338739440).

28980015600 is an abundant number, since it is smaller than the sum of its proper divisors (69697463280).

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

28980015600 is a wasteful number, since it uses less digits than its factorization.

28980015600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588 (or 5577 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 28980015600 in words is "twenty-eight billion, nine hundred eighty million, fifteen thousand, six hundred".