495403520 has 80 divisors (see below), whose sum is σ = 1228950360. Its totient is φ = 191299584.

The previous prime is 495403501. The next prime is 495403537. The reversal of 495403520 is 25304594.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 265820416 + 229583104 = 16304^2 + 15152^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70904 + ... + 77576.

Almost surely, 2^495403520 is an apocalyptic number.

495403520 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 495403520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614475180).

495403520 is an abundant number, since it is smaller than the sum of its proper divisors (733546840).

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

495403520 is an equidigital number, since it uses as much as digits as its factorization.

495403520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 495403520 is about 22257.6620515273. The cubic root of 495403520 is about 791.2608823968.

The spelling of 495403520 in words is "four hundred ninety-five million, four hundred three thousand, five hundred twenty".