28494674208 has 768 divisors, whose sum is σ = 114124308480. Its totient is φ = 6676992000.

The previous prime is 28494674203. The next prime is 28494674237. The reversal of 28494674208 is 80247649482.

28494674208 is a `hidden beast` number, since 284 + 94 + 6 + 74 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28494674203) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40648258 + ... + 40648958.

It is an arithmetic number, because the mean of its divisors is an integer number (148599360).

Almost surely, 2^28494674208 is an apocalyptic number.

28494674208 is a gapful number since it is divisible by the number (28) 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 28494674208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57062154240).

28494674208 is an abundant number, since it is smaller than the sum of its proper divisors (85629634272).

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

28494674208 is a wasteful number, since it uses less digits than its factorization.

28494674208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 28494674208 in words is "twenty-eight billion, four hundred ninety-four million, six hundred seventy-four thousand, two hundred eight".