469780445 has 8 divisors (see below), whose sum is σ = 565250136. Its totient is φ = 374815296.

The previous prime is 469780439. The next prime is 469780489. The reversal of 469780445 is 544087964.

It can be written as a sum of positive squares in 4 ways, for example, as 80389156 + 389391289 = 8966^2 + 19733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 469780445 - 2⁴ = 469780429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 469780445.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 124082 + ... + 127811.

It is an arithmetic number, because the mean of its divisors is an integer number (70656267).

Almost surely, 2^469780445 is an apocalyptic number.

It is an amenable number.

469780445 is a deficient number, since it is larger than the sum of its proper divisors (95469691).

469780445 is a wasteful number, since it uses less digits than its factorization.

469780445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252271.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 469780445 is about 21674.4191386990. The cubic root of 469780445 is about 777.3769245122.

The spelling of 469780445 in words is "four hundred sixty-nine million, seven hundred eighty thousand, four hundred forty-five".