2040142406 has 8 divisors (see below), whose sum is σ = 3061213560. Its totient is φ = 1019737888.

The previous prime is 2040142397. The next prime is 2040142421. The reversal of 2040142406 is 6042410402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158936 + ... + 171291.

It is an arithmetic number, because the mean of its divisors is an integer number (382651695).

Almost surely, 2^2040142406 is an apocalyptic number.

2040142406 is a deficient number, since it is larger than the sum of its proper divisors (1021071154).

2040142406 is a wasteful number, since it uses less digits than its factorization.

2040142406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333318.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2040142406 is about 45167.9355959512. The cubic root of 2040142406 is about 1268.2946515939.

Adding to 2040142406 its reverse (6042410402), we get a palindrome (8082552808).

The spelling of 2040142406 in words is "two billion, forty million, one hundred forty-two thousand, four hundred six".