495849042 has 144 divisors (see below), whose sum is σ = 1281234240. Its totient is φ = 137884032.

The previous prime is 495849031. The next prime is 495849043. The reversal of 495849042 is 240948594.

It is not an unprimeable number, because it can be changed into a prime (495849043) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1329168 + ... + 1329540.

It is an arithmetic number, because the mean of its divisors is an integer number (8897460).

Almost surely, 2^495849042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495849042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640617120).

495849042 is an abundant number, since it is smaller than the sum of its proper divisors (785385198).

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

495849042 is a wasteful number, since it uses less digits than its factorization.

495849042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 495849042 is about 22267.6680862635. The cubic root of 495849042 is about 791.4980079541.

The spelling of 495849042 in words is "four hundred ninety-five million, eight hundred forty-nine thousand, forty-two".