495949557540 has 48 divisors (see below), whose sum is σ = 1388698601472. Its totient is φ = 132249421056.

The previous prime is 495949557527. The next prime is 495949557547. The reversal of 495949557540 is 45755949594.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (495949557547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2450077 + ... + 2644763.

It is an arithmetic number, because the mean of its divisors is an integer number (28931220864).

Almost surely, 2^495949557540 is an apocalyptic number.

It is an amenable number.

495949557540 is an abundant number, since it is smaller than the sum of its proper divisors (892749043932).

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

495949557540 is a wasteful number, since it uses less digits than its factorization.

495949557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237156 (or 237154 counting only the distinct ones).

The product of its (nonzero) digits is 204120000, while the sum is 66.

The spelling of 495949557540 in words is "four hundred ninety-five billion, nine hundred forty-nine million, five hundred fifty-seven thousand, five hundred forty".