2143050040 has 32 divisors (see below), whose sum is σ = 4879964880. Its totient is φ = 846890752.

The previous prime is 2143050029. The next prime is 2143050043. The reversal of 2143050040 is 400503412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143050043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319429 + ... + 326068.

Almost surely, 2^2143050040 is an apocalyptic number.

2143050040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143050040 is an abundant number, since it is smaller than the sum of its proper divisors (2736914840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143050040 is a wasteful number, since it uses less digits than its factorization.

2143050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645591 (or 645587 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2143050040 is about 46293.0884690145. The cubic root of 2143050040 is about 1289.2706732101.

Adding to 2143050040 its reverse (400503412), we get a palindrome (2543553452).

The spelling of 2143050040 in words is "two billion, one hundred forty-three million, fifty thousand, forty".