495220992 has 144 divisors (see below), whose sum is σ = 1516419072. Its totient is φ = 140544000.

The previous prime is 495220969. The next prime is 495221021. The reversal of 495220992 is 299022594.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349193 + ... + 1349559.

It is an arithmetic number, because the mean of its divisors is an integer number (10530688).

Almost surely, 2^495220992 is an apocalyptic number.

495220992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758209536).

495220992 is an abundant number, since it is smaller than the sum of its proper divisors (1021198080).

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

495220992 is a wasteful number, since it uses less digits than its factorization.

495220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 495220992 is about 22253.5613329642. The cubic root of 495220992 is about 791.1636922600.

The spelling of 495220992 in words is "four hundred ninety-five million, two hundred twenty thousand, nine hundred ninety-two".