28473029948160 has 864 divisors, whose sum is σ = 115940544720000. Its totient is φ = 6448316055552.

The previous prime is 28473029948119. The next prime is 28473029948257. The reversal of 28473029948160 is 6184992037482.

28473029948160 is a `hidden beast` number, since 2 + 8 + 4 + 7 + 3 + 0 + 2 + 99 + 481 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 430665186 + ... + 430731294.

Almost surely, 2^{28473029948160} is an apocalyptic number.

28473029948160 is a gapful number since it is divisible by the number (20) 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 28473029948160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57970272360000).

28473029948160 is an abundant number, since it is smaller than the sum of its proper divisors (87467514771840).

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

28473029948160 is a wasteful number, since it uses less digits than its factorization.

28473029948160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66266 (or 66235 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 28473029948160 in words is "twenty-eight trillion, four hundred seventy-three billion, twenty-nine million, nine hundred forty-eight thousand, one hundred sixty".