28210287480 has 64 divisors (see below), whose sum is σ = 84759523200. Its totient is φ = 7511306880.

The previous prime is 28210287467. The next prime is 28210287499. The reversal of 28210287480 is 8478201282.

It is a congruent number.

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, 99286 + ... + 257445.

It is an arithmetic number, because the mean of its divisors is an integer number (1324367550).

Almost surely, 2^28210287480 is an apocalyptic number.

28210287480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28210287480 is an abundant number, since it is smaller than the sum of its proper divisors (56549235720).

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

28210287480 is a wasteful number, since it uses less digits than its factorization.

28210287480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357404 (or 357400 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 28210287480 in words is "twenty-eight billion, two hundred ten million, two hundred eighty-seven thousand, four hundred eighty".