2402040143 has 4 divisors (see below), whose sum is σ = 2543336640. Its totient is φ = 2260743648.

The previous prime is 2402040119. The next prime is 2402040187. The reversal of 2402040143 is 3410402042.

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

It is a cyclic number.

It is not a de Polignac number, because 2402040143 - 2¹⁶ = 2401974607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402040343) 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 3 ways as a sum of consecutive naturals, for example, 70648223 + ... + 70648256.

It is an arithmetic number, because the mean of its divisors is an integer number (635834160).

Almost surely, 2^2402040143 is an apocalyptic number.

2402040143 is a deficient number, since it is larger than the sum of its proper divisors (141296497).

2402040143 is a wasteful number, since it uses less digits than its factorization.

2402040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141296496.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2402040143 is about 49010.6125548335. The cubic root of 2402040143 is about 1339.2451646486.

Adding to 2402040143 its reverse (3410402042), we get a palindrome (5812442185).

The spelling of 2402040143 in words is "two billion, four hundred two million, forty thousand, one hundred forty-three".