495129810252 has 192 divisors, whose sum is σ = 1526263603200. Its totient is φ = 120948249600.

The previous prime is 495129810251. The next prime is 495129810313. The reversal of 495129810252 is 252018921594.

It is not an unprimeable number, because it can be changed into a prime (495129810251) 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, 21964227 + ... + 21986757.

It is an arithmetic number, because the mean of its divisors is an integer number (7949289600).

Almost surely, 2^495129810252 is an apocalyptic number.

495129810252 is a gapful number since it is divisible by the number (42) 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 495129810252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763131801600).

495129810252 is an abundant number, since it is smaller than the sum of its proper divisors (1031133792948).

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

495129810252 is a wasteful number, since it uses less digits than its factorization.

495129810252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23972 (or 23970 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 495129810252 in words is "four hundred ninety-five billion, one hundred twenty-nine million, eight hundred ten thousand, two hundred fifty-two".