28974469457232 has 480 divisors, whose sum is σ = 93533115719680. Its totient is φ = 8622863009280.

The previous prime is 28974469457207. The next prime is 28974469457249. The reversal of 28974469457232 is 23275496447982.

28974469457232 is a `hidden beast` number, since 2 + 8 + 9 + 7 + 4 + 46 + 9 + 4 + 572 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 3677425869 + ... + 3677433747.

Almost surely, 2^{28974469457232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28974469457232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46766557859840).

28974469457232 is an abundant number, since it is smaller than the sum of its proper divisors (64558646262448).

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

28974469457232 is a wasteful number, since it uses less digits than its factorization.

28974469457232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293 (or 10275 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 72.

The spelling of 28974469457232 in words is "twenty-eight trillion, nine hundred seventy-four billion, four hundred sixty-nine million, four hundred fifty-seven thousand, two hundred thirty-two".