28060188480 has 280 divisors, whose sum is σ = 101025362592. Its totient is φ = 7391996928.

The previous prime is 28060188479. The next prime is 28060188509. The reversal of 28060188480 is 8488106082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2144839 + ... + 2157881.

Almost surely, 2^28060188480 is an apocalyptic number.

28060188480 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 28060188480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50512681296).

28060188480 is an abundant number, since it is smaller than the sum of its proper divisors (72965174112).

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

28060188480 is a wasteful number, since it uses less digits than its factorization.

28060188480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155 (or 13136 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 28060188480 in words is "twenty-eight billion, sixty million, one hundred eighty-eight thousand, four hundred eighty".