28282359920 has 40 divisors (see below), whose sum is σ = 65946051504. Its totient is φ = 11280330752.

The previous prime is 28282359899. The next prime is 28282359967. The reversal of 28282359920 is 2995328282.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481649 + ... + 537168.

Almost surely, 2^28282359920 is an apocalyptic number.

28282359920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28282359920 is an abundant number, since it is smaller than the sum of its proper divisors (37663691584).

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

28282359920 is a wasteful number, since it uses less digits than its factorization.

28282359920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019177 (or 1019171 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 28282359920 in words is "twenty-eight billion, two hundred eighty-two million, three hundred fifty-nine thousand, nine hundred twenty".