494499532800 has 1872 divisors, whose sum is σ = 2167063382400. Its totient is φ = 98842705920.

The previous prime is 494499532777. The next prime is 494499532811. The reversal of 494499532800 is 8235994494.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 26026291191 + ... + 26026291209.

Almost surely, 2^494499532800 is an apocalyptic number.

494499532800 is a gapful number since it is divisible by the number (40) 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 494499532800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083531691200).

494499532800 is an abundant number, since it is smaller than the sum of its proper divisors (1672563849600).

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

494499532800 is a wasteful number, since it uses less digits than its factorization.

494499532800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 494499532800 in words is "four hundred ninety-four billion, four hundred ninety-nine million, five hundred thirty-two thousand, eight hundred".