494220165120 has 1440 divisors, whose sum is σ = 2023232754816. Its totient is φ = 114661785600.

The previous prime is 494220165119. The next prime is 494220165133. The reversal of 494220165120 is 21561022494.

It is a happy number.

494220165120 is a `hidden beast` number, since 494 + 2 + 2 + 0 + 165 + 1 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×494220165120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8101969890 + ... + 8101969950.

Almost surely, 2^494220165120 is an apocalyptic number.

494220165120 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 494220165120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011616377408).

494220165120 is an abundant number, since it is smaller than the sum of its proper divisors (1529012589696).

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

494220165120 is an equidigital number, since it uses as much as digits as its factorization.

494220165120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 494220165120 in words is "four hundred ninety-four billion, two hundred twenty million, one hundred sixty-five thousand, one hundred twenty".