28284822641260 has 48 divisors (see below), whose sum is σ = 61010896143456. Its totient is φ = 11006809362432.

The previous prime is 28284822641239. The next prime is 28284822641263. The reversal of 28284822641260 is 6214622848282.

It is not an unprimeable number, because it can be changed into a prime (28284822641263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3781324 + ... + 8418316.

It is an arithmetic number, because the mean of its divisors is an integer number (1271060336322).

Almost surely, 2^{28284822641260} is an apocalyptic number.

28284822641260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28284822641260 is an abundant number, since it is smaller than the sum of its proper divisors (32726073502196).

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

28284822641260 is a wasteful number, since it uses less digits than its factorization.

28284822641260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645282 (or 4645280 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 55.

The spelling of 28284822641260 in words is "twenty-eight trillion, two hundred eighty-four billion, eight hundred twenty-two million, six hundred forty-one thousand, two hundred sixty".