2040405382 has 16 divisors (see below), whose sum is σ = 3242233872. Its totient is φ = 959719680.

The previous prime is 2040405377. The next prime is 2040405391. The reversal of 2040405382 is 2835040402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040405382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61282 + ... + 88522.

It is an arithmetic number, because the mean of its divisors is an integer number (202639617).

Almost surely, 2^2040405382 is an apocalyptic number.

2040405382 is a deficient number, since it is larger than the sum of its proper divisors (1201828490).

2040405382 is a wasteful number, since it uses less digits than its factorization.

2040405382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29463.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2040405382 is about 45170.8465937932. The cubic root of 2040405382 is about 1268.3491439867.

Adding to 2040405382 its reverse (2835040402), we get a palindrome (4875445784).

The spelling of 2040405382 in words is "two billion, forty million, four hundred five thousand, three hundred eighty-two".