28006651300 has 36 divisors (see below), whose sum is σ = 61211689840. Its totient is φ = 11122060320.

The previous prime is 28006651297. The next prime is 28006651397. The reversal of 28006651300 is 315660082.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993534 + ... + 1021333.

Almost surely, 2^28006651300 is an apocalyptic number.

28006651300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28006651300 is an abundant number, since it is smaller than the sum of its proper divisors (33205038540).

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

28006651300 is a wasteful number, since it uses less digits than its factorization.

28006651300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015020 (or 2015013 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 28006651300 in words is "twenty-eight billion, six million, six hundred fifty-one thousand, three hundred".