28554484917504 has 864 divisors, whose sum is σ = 96071994466560. Its totient is φ = 7369560686592.

The previous prime is 28554484917487. The next prime is 28554484917529. The reversal of 28554484917504 is 40571948445582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35296025452 + ... + 35296026260.

It is an arithmetic number, because the mean of its divisors is an integer number (111194438040).

Almost surely, 2^{28554484917504} is an apocalyptic number.

28554484917504 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 28554484917504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48035997233280).

28554484917504 is an abundant number, since it is smaller than the sum of its proper divisors (67517509549056).

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

28554484917504 is a wasteful number, since it uses less digits than its factorization.

28554484917504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 258048000, while the sum is 66.

The spelling of 28554484917504 in words is "twenty-eight trillion, five hundred fifty-four billion, four hundred eighty-four million, nine hundred seventeen thousand, five hundred four".