382820345450 has 48 divisors (see below), whose sum is σ = 761395725144. Its totient is φ = 142693632000.

The previous prime is 382820345447. The next prime is 382820345507. The reversal of 382820345450 is 54543028283.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 113315044129 + 269505301321 = 336623^2 + 519139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143739 + ... + 2315438.

Almost surely, 2^382820345450 is an apocalyptic number.

382820345450 is a deficient number, since it is larger than the sum of its proper divisors (378575379694).

382820345450 is a wasteful number, since it uses less digits than its factorization.

382820345450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459307 (or 4459302 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 382820345450 in words is "three hundred eighty-two billion, eight hundred twenty million, three hundred forty-five thousand, four hundred fifty".