28322874460 has 12 divisors (see below), whose sum is σ = 59478036408. Its totient is φ = 11329149776.

The previous prime is 28322874449. The next prime is 28322874467. The reversal of 28322874460 is 6447822382.

It is a self number, because there is not a number n which added to its sum of digits gives 28322874460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28322874467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708071842 + ... + 708071881.

It is an arithmetic number, because the mean of its divisors is an integer number (4956503034).

Almost surely, 2^28322874460 is an apocalyptic number.

28322874460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28322874460 is an abundant number, since it is smaller than the sum of its proper divisors (31155161948).

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

28322874460 is a wasteful number, since it uses less digits than its factorization.

28322874460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416143732 (or 1416143730 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 28322874460 in words is "twenty-eight billion, three hundred twenty-two million, eight hundred seventy-four thousand, four hundred sixty".