495235840 has 144 divisors (see below), whose sum is σ = 1370869920. Its totient is φ = 169410560.

The previous prime is 495235837. The next prime is 495235841. The reversal of 495235840 is 48532594.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 495235793 and 495235802.

It is not an unprimeable number, because it can be changed into a prime (495235841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238326 + ... + 240394.

It is an arithmetic number, because the mean of its divisors is an integer number (9519930).

Almost surely, 2^495235840 is an apocalyptic number.

495235840 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 495235840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685434960).

495235840 is an abundant number, since it is smaller than the sum of its proper divisors (875634080).

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

495235840 is a wasteful number, since it uses less digits than its factorization.

495235840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 495235840 is about 22253.8949399875. The cubic root of 495235840 is about 791.1715992222.

The spelling of 495235840 in words is "four hundred ninety-five million, two hundred thirty-five thousand, eight hundred forty".