28905531710304 has 192 divisors, whose sum is σ = 80683325614080. Its totient is φ = 9046113792000.

The previous prime is 28905531710221. The next prime is 28905531710327. The reversal of 28905531710304 is 40301713550982.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21179134 + ... + 22502594.

It is an arithmetic number, because the mean of its divisors is an integer number (420225654240).

Almost surely, 2^{28905531710304} is an apocalyptic number.

28905531710304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28905531710304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40341662807040).

28905531710304 is an abundant number, since it is smaller than the sum of its proper divisors (51777793903776).

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

28905531710304 is a wasteful number, since it uses less digits than its factorization.

28905531710304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323725 (or 1323717 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 28905531710304 in words is "twenty-eight trillion, nine hundred five billion, five hundred thirty-one million, seven hundred ten thousand, three hundred four".