28180584060 has 48 divisors (see below), whose sum is σ = 80740657536. Its totient is φ = 7340058432.

The previous prime is 28180584053. The next prime is 28180584067. The reversal of 28180584060 is 6048508182.

It is an interprime number because it is at equal distance from previous prime (28180584053) and next prime (28180584067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28180584067) 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, 5458774 + ... + 5463933.

It is an arithmetic number, because the mean of its divisors is an integer number (1682097032).

Almost surely, 2^28180584060 is an apocalyptic number.

28180584060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28180584060 is an abundant number, since it is smaller than the sum of its proper divisors (52560073476).

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

28180584060 is a wasteful number, since it uses less digits than its factorization.

28180584060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922762 (or 10922760 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 28180584060 in words is "twenty-eight billion, one hundred eighty million, five hundred eighty-four thousand, sixty".