495779420 has 12 divisors (see below), whose sum is σ = 1041136824. Its totient is φ = 198311760.

The previous prime is 495779411. The next prime is 495779423. The reversal of 495779420 is 24977594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495779423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394466 + ... + 12394505.

It is an arithmetic number, because the mean of its divisors is an integer number (86761402).

Almost surely, 2^495779420 is an apocalyptic number.

It is an amenable number.

495779420 is an abundant number, since it is smaller than the sum of its proper divisors (545357404).

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

495779420 is a wasteful number, since it uses less digits than its factorization.

495779420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788980 (or 24788978 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 495779420 is about 22266.1047334283. The cubic root of 495779420 is about 791.4609615623.

The spelling of 495779420 in words is "four hundred ninety-five million, seven hundred seventy-nine thousand, four hundred twenty".