28494396000 has 384 divisors, whose sum is σ = 118539832320. Its totient is φ = 6512832000.

The previous prime is 28494395987. The next prime is 28494396013. The reversal of 28494396000 is 69349482.

28494396000 is a `hidden beast` number, since 2 + 8 + 4 + 9 + 4 + 39 + 600 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28494395987) and next prime (28494396013).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 737155 + ... + 774845.

It is an arithmetic number, because the mean of its divisors is an integer number (308697480).

Almost surely, 2^28494396000 is an apocalyptic number.

28494396000 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 28494396000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59269916160).

28494396000 is an abundant number, since it is smaller than the sum of its proper divisors (90045436320).

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

28494396000 is a wasteful number, since it uses less digits than its factorization.

28494396000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37732 (or 37708 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 28494396000 in words is "twenty-eight billion, four hundred ninety-four million, three hundred ninety-six thousand".