28755426060 has 240 divisors, whose sum is σ = 91459900224. Its totient is φ = 7562460672.

The previous prime is 28755426043. The next prime is 28755426097. The reversal of 28755426060 is 6062455782.

28755426060 is a `hidden beast` number, since 287 + 5 + 54 + 260 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 28755425997 and 28755426015.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 42474442 + ... + 42475118.

Almost surely, 2^28755426060 is an apocalyptic number.

28755426060 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 28755426060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45729950112).

28755426060 is an abundant number, since it is smaller than the sum of its proper divisors (62704474164).

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

28755426060 is a wasteful number, since it uses less digits than its factorization.

28755426060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 28755426060 in words is "twenty-eight billion, seven hundred fifty-five million, four hundred twenty-six thousand, sixty".