495385020 has 144 divisors (see below), whose sum is σ = 1626337440. Its totient is φ = 121333248.

The previous prime is 495385003. The next prime is 495385027. The reversal of 495385020 is 20583594.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495385027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629067 + ... + 629853.

It is an arithmetic number, because the mean of its divisors is an integer number (11294010).

Almost surely, 2^495385020 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 495385020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813168720).

495385020 is an abundant number, since it is smaller than the sum of its proper divisors (1130952420).

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

495385020 is a wasteful number, since it uses less digits than its factorization.

495385020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 495385020 is about 22257.2464604227. The cubic root of 495385020 is about 791.2510328446.

The spelling of 495385020 in words is "four hundred ninety-five million, three hundred eighty-five thousand, twenty".