494120506880 has 640 divisors, whose sum is σ = 1629831684096. Its totient is φ = 138667622400.

The previous prime is 494120506879. The next prime is 494120506883. The reversal of 494120506880 is 88605021494.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494120506883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105062609 + ... + 105067311.

Almost surely, 2^494120506880 is an apocalyptic number.

494120506880 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 494120506880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814915842048).

494120506880 is an abundant number, since it is smaller than the sum of its proper divisors (1135711177216).

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

494120506880 is a wasteful number, since it uses less digits than its factorization.

494120506880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4782 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 494120506880 in words is "four hundred ninety-four billion, one hundred twenty million, five hundred six thousand, eight hundred eighty".