28261058000 has 80 divisors (see below), whose sum is σ = 78097453824. Its totient is φ = 9689500800.

The previous prime is 28261057987. The next prime is 28261058017. The reversal of 28261058000 is 85016282.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995324 + ... + 1023323.

Almost surely, 2^28261058000 is an apocalyptic number.

28261058000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28261058000 is an abundant number, since it is smaller than the sum of its proper divisors (49836395824).

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

28261058000 is a wasteful number, since it uses less digits than its factorization.

28261058000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018677 (or 2018661 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 28261058000 in words is "twenty-eight billion, two hundred sixty-one million, fifty-eight thousand".