494278274880 has 2016 divisors, whose sum is σ = 2105050042368. Its totient is φ = 105814425600.

The previous prime is 494278274869. The next prime is 494278274939. The reversal of 494278274880 is 88472872494.

494278274880 is a `hidden beast` number, since 4 + 94 + 278 + 274 + 8 + 8 + 0 = 666.

It is a super-2 number, since 2×494278274880² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10516559017 + ... + 10516559063.

It is an arithmetic number, because the mean of its divisors is an integer number (1044171648).

Almost surely, 2^494278274880 is an apocalyptic number.

494278274880 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 494278274880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052525021184).

494278274880 is an abundant number, since it is smaller than the sum of its proper divisors (1610771767488).

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

494278274880 is a wasteful number, since it uses less digits than its factorization.

494278274880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 63.

The spelling of 494278274880 in words is "four hundred ninety-four billion, two hundred seventy-eight million, two hundred seventy-four thousand, eight hundred eighty".