28363703450544 has 960 divisors, whose sum is σ = 104720465461248. Its totient is φ = 6952392345600.

The previous prime is 28363703450539. The next prime is 28363703450569. The reversal of 28363703450544 is 44505430736382.

28363703450544 is a `hidden beast` number, since 2 + 8 + 3 + 63 + 7 + 0 + 34 + 5 + 0 + 544 = 666.

It is a super-2 number, since 2×28363703450544² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3042331867 + ... + 3042341189.

Almost surely, 2^{28363703450544} is an apocalyptic number.

28363703450544 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 28363703450544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52360232730624).

28363703450544 is an abundant number, since it is smaller than the sum of its proper divisors (76356762010704).

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

28363703450544 is a wasteful number, since it uses less digits than its factorization.

28363703450544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606 (or 9597 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 28363703450544 in words is "twenty-eight trillion, three hundred sixty-three billion, seven hundred three million, four hundred fifty thousand, five hundred forty-four".