494987673600 has 1536 divisors, whose sum is σ = 2184360192000. Its totient is φ = 107442339840.

The previous prime is 494987673511. The next prime is 494987673671. The reversal of 494987673600 is 6376789494.

494987673600 is a `hidden beast` number, since 4 + 9 + 498 + 76 + 73 + 6 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

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

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, 3561062331 + ... + 3561062469.

It is an arithmetic number, because the mean of its divisors is an integer number (1422109500).

Almost surely, 2^494987673600 is an apocalyptic number.

494987673600 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 494987673600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092180096000).

494987673600 is an abundant number, since it is smaller than the sum of its proper divisors (1689372518400).

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

494987673600 is a wasteful number, since it uses less digits than its factorization.

494987673600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 494987673600 in words is "four hundred ninety-four billion, nine hundred eighty-seven million, six hundred seventy-three thousand, six hundred".