28626026052 has 48 divisors (see below), whose sum is σ = 72065239232. Its totient is φ = 8791701120.

The previous prime is 28626026003. The next prime is 28626026081. The reversal of 28626026052 is 25062062682.

It is a super-3 number, since 3×28626026052³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 28626026052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85198 + ... + 253989.

Almost surely, 2^28626026052 is an apocalyptic number.

It is an amenable number.

28626026052 is an abundant number, since it is smaller than the sum of its proper divisors (43439213180).

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

28626026052 is a wasteful number, since it uses less digits than its factorization.

28626026052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339748 (or 339746 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 28626026052 in words is "twenty-eight billion, six hundred twenty-six million, twenty-six thousand, fifty-two".