285340054382 has 4 divisors (see below), whose sum is σ = 428010081576. Its totient is φ = 142670027190.

The previous prime is 285340054369. The next prime is 285340054397. The reversal of 285340054382 is 283450043582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71335013594 + ... + 71335013597.

It is an arithmetic number, because the mean of its divisors is an integer number (107002520394).

Almost surely, 2^285340054382 is an apocalyptic number.

285340054382 is a deficient number, since it is larger than the sum of its proper divisors (142670027194).

285340054382 is a wasteful number, since it uses less digits than its factorization.

285340054382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142670027193.

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

The spelling of 285340054382 in words is "two hundred eighty-five billion, three hundred forty million, fifty-four thousand, three hundred eighty-two".