495646120 has 64 divisors (see below), whose sum is σ = 1134544320. Its totient is φ = 194847744.

The previous prime is 495646111. The next prime is 495646139. The reversal of 495646120 is 21646594.

It is a self number, because there is not a number n which added to its sum of digits gives 495646120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118619 + ... + 1119061.

It is an arithmetic number, because the mean of its divisors is an integer number (17727255).

Almost surely, 2^495646120 is an apocalyptic number.

495646120 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 495646120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567272160).

495646120 is an abundant number, since it is smaller than the sum of its proper divisors (638898200).

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

495646120 is a wasteful number, since it uses less digits than its factorization.

495646120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 495646120 is about 22263.1111931823. Note that the first 4 decimals coincide. The cubic root of 495646120 is about 791.3900219477.

It can be divided in two parts, 4956 and 46120, that added together give a square (51076 = 226²).

The spelling of 495646120 in words is "four hundred ninety-five million, six hundred forty-six thousand, one hundred twenty".