4140402243 has 4 divisors (see below), whose sum is σ = 5520536328. Its totient is φ = 2760268160.

The previous prime is 4140402221. The next prime is 4140402251. The reversal of 4140402243 is 3422040414.

It is a happy number.

4140402243 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 4140402243 - 2⁸ = 4140401987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4140402743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690067038 + ... + 690067043.

It is an arithmetic number, because the mean of its divisors is an integer number (1380134082).

Almost surely, 2^4140402243 is an apocalyptic number.

4140402243 is a deficient number, since it is larger than the sum of its proper divisors (1380134085).

4140402243 is a wasteful number, since it uses less digits than its factorization.

4140402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380134084.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4140402243 is about 64345.9574720899. The cubic root of 4140402243 is about 1605.7607755795.

Adding to 4140402243 its reverse (3422040414), we get a palindrome (7562442657).

The spelling of 4140402243 in words is "four billion, one hundred forty million, four hundred two thousand, two hundred forty-three".