494342220 has 48 divisors (see below), whose sum is σ = 1444343040. Its totient is φ = 126092736.

The previous prime is 494342161. The next prime is 494342221. The reversal of 494342220 is 22243494.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (494342221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177730 + ... + 180489.

It is an arithmetic number, because the mean of its divisors is an integer number (30090480).

Almost surely, 2^494342220 is an apocalyptic number.

It is an amenable number.

494342220 is an abundant number, since it is smaller than the sum of its proper divisors (950000820).

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

494342220 is a wasteful number, since it uses less digits than its factorization.

494342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358254 (or 358252 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 494342220 is about 22233.8080409092. The cubic root of 494342220 is about 790.6954406038.

The spelling of 494342220 in words is "four hundred ninety-four million, three hundred forty-two thousand, two hundred twenty".