495997542 has 96 divisors (see below), whose sum is σ = 1174642560. Its totient is φ = 150670080.

The previous prime is 495997519. The next prime is 495997549. The reversal of 495997542 is 245799594.

495997542 is a `hidden beast` number, since 4 + 9 + 5 + 9 + 97 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495997549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1498317 + ... + 1498647.

It is an arithmetic number, because the mean of its divisors is an integer number (12235860).

Almost surely, 2^495997542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495997542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587321280).

495997542 is an abundant number, since it is smaller than the sum of its proper divisors (678645018).

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

495997542 is a wasteful number, since it uses less digits than its factorization.

495997542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 495997542 is about 22271.0022675227. The cubic root of 495997542 is about 791.5770143402.

The spelling of 495997542 in words is "four hundred ninety-five million, nine hundred ninety-seven thousand, five hundred forty-two".