495134220 has 144 divisors (see below), whose sum is σ = 1620718848. Its totient is φ = 112943040.

The previous prime is 495134209. The next prime is 495134239. The reversal of 495134220 is 22431594.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1008175 + ... + 1008665.

It is an arithmetic number, because the mean of its divisors is an integer number (11254992).

Almost surely, 2^495134220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495134220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810359424).

495134220 is an abundant number, since it is smaller than the sum of its proper divisors (1125584628).

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

495134220 is an equidigital number, since it uses as much as digits as its factorization.

495134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 495134220 is about 22251.6116270260. The cubic root of 495134220 is about 791.1174806581.

The spelling of 495134220 in words is "four hundred ninety-five million, one hundred thirty-four thousand, two hundred twenty".