2040343490 has 32 divisors (see below), whose sum is σ = 3698158464. Its totient is φ = 810483840.

The previous prime is 2040343463. The next prime is 2040343499. The reversal of 2040343490 is 943430402.

It is not an unprimeable number, because it can be changed into a prime (2040343499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 953702 + ... + 955838.

It is an arithmetic number, because the mean of its divisors is an integer number (115567452).

Almost surely, 2^2040343490 is an apocalyptic number.

2040343490 is a deficient number, since it is larger than the sum of its proper divisors (1657814974).

2040343490 is a wasteful number, since it uses less digits than its factorization.

2040343490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2040343490 is about 45170.1615007075. The cubic root of 2040343490 is about 1268.3363194994.

Adding to 2040343490 its reverse (943430402), we get a palindrome (2983773892).

The spelling of 2040343490 in words is "two billion, forty million, three hundred forty-three thousand, four hundred ninety".