495209872 has 80 divisors (see below), whose sum is σ = 1047932928. Its totient is φ = 226005120.

The previous prime is 495209867. The next prime is 495209873. The reversal of 495209872 is 278902594.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (495209873) 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, 946603 + ... + 947125.

Almost surely, 2^495209872 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 495209872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523966464).

495209872 is an abundant number, since it is smaller than the sum of its proper divisors (552723056).

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

495209872 is a wasteful number, since it uses less digits than its factorization.

495209872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 495209872 is about 22253.3114839118. The cubic root of 495209872 is about 791.1577704552.

The spelling of 495209872 in words is "four hundred ninety-five million, two hundred nine thousand, eight hundred seventy-two".