495890340 has 192 divisors, whose sum is σ = 1619170560. Its totient is φ = 112066560.

The previous prime is 495890333. The next prime is 495890363. The reversal of 495890340 is 43098594.

It is a junction number, because it is equal to n+sod(n) for n = 495890292 and 495890301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2165346 + ... + 2165574.

It is an arithmetic number, because the mean of its divisors is an integer number (8433180).

Almost surely, 2^495890340 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 495890340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809585280).

495890340 is an abundant number, since it is smaller than the sum of its proper divisors (1123280220).

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

495890340 is a wasteful number, since it uses less digits than its factorization.

495890340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 495890340 is about 22268.5953755507. The cubic root of 495890340 is about 791.5199812931.

The spelling of 495890340 in words is "four hundred ninety-five million, eight hundred ninety thousand, three hundred forty".