28483348280 has 32 divisors (see below), whose sum is σ = 64106205840. Its totient is φ = 11390019840.

The previous prime is 28483348273. The next prime is 28483348301. The reversal of 28483348280 is 8284338482.

It is a super-2 number, since 2×28483348280² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 37652 + ... + 241628.

Almost surely, 2^28483348280 is an apocalyptic number.

28483348280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28483348280 is an abundant number, since it is smaller than the sum of its proper divisors (35622857560).

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

28483348280 is a wasteful number, since it uses less digits than its factorization.

28483348280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207479 (or 207475 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 28483348280 in words is "twenty-eight billion, four hundred eighty-three million, three hundred forty-eight thousand, two hundred eighty".