4140645042 has 16 divisors (see below), whose sum is σ = 8282979072. Its totient is φ = 1379933520.

The previous prime is 4140645023. The next prime is 4140645049. The reversal of 4140645042 is 2405460414.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4140645049) 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, 37309 + ... + 98352.

It is an arithmetic number, because the mean of its divisors is an integer number (517686192).

Almost surely, 2^4140645042 is an apocalyptic number.

4140645042 is an abundant number, since it is smaller than the sum of its proper divisors (4142334030).

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

4140645042 is a wasteful number, since it uses less digits than its factorization.

4140645042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140753.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 4140645042 is about 64347.8441130703. The cubic root of 4140645042 is about 1605.7921629880.

The spelling of 4140645042 in words is "four billion, one hundred forty million, six hundred forty-five thousand, forty-two".