28626270552 has 48 divisors (see below), whose sum is σ = 84577619880. Its totient is φ = 8674627200.

The previous prime is 28626270509. The next prime is 28626270553. The reversal of 28626270552 is 25507262682.

28626270552 is a `hidden beast` number, since 2 + 8 + 6 + 26 + 2 + 70 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28626270498 and 28626270507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28626270553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18071349 + ... + 18072932.

Almost surely, 2^28626270552 is an apocalyptic number.

28626270552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28626270552 is an abundant number, since it is smaller than the sum of its proper divisors (55951349328).

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

28626270552 is a wasteful number, since it uses less digits than its factorization.

28626270552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36144304 (or 36144297 counting only the distinct ones).

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

The spelling of 28626270552 in words is "twenty-eight billion, six hundred twenty-six million, two hundred seventy thousand, five hundred fifty-two".