495722240 has 144 divisors (see below), whose sum is σ = 1321372416. Its totient is φ = 177131520.

The previous prime is 495722221. The next prime is 495722273. The reversal of 495722240 is 42227594.

It is a self number, because there is not a number n which added to its sum of digits gives 495722240.

It is a congruent number.

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, 15991025 + ... + 15991055.

Almost surely, 2^495722240 is an apocalyptic number.

495722240 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 495722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660686208).

495722240 is an abundant number, since it is smaller than the sum of its proper divisors (825650176).

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

495722240 is an frugal number, since it uses more digits than its factorization.

495722240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 495722240 is about 22264.8206819637. The cubic root of 495722240 is about 791.4305330586.

The spelling of 495722240 in words is "four hundred ninety-five million, seven hundred twenty-two thousand, two hundred forty".