28561405060 has 48 divisors (see below), whose sum is σ = 62609250816. Its totient is φ = 10923910272.

The previous prime is 28561405039. The next prime is 28561405069. The reversal of 28561405060 is 6050416582.

It is not an unprimeable number, because it can be changed into a prime (28561405069) 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, 1486837 + ... + 1505923.

It is an arithmetic number, because the mean of its divisors is an integer number (1304359392).

Almost surely, 2^28561405060 is an apocalyptic number.

28561405060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28561405060 is an abundant number, since it is smaller than the sum of its proper divisors (34047845756).

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

28561405060 is a wasteful number, since it uses less digits than its factorization.

28561405060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22372 (or 22370 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 28561405060 in words is "twenty-eight billion, five hundred sixty-one million, four hundred five thousand, sixty".