6140442642 has 32 divisors (see below), whose sum is σ = 12322497600. Its totient is φ = 2039892288.

The previous prime is 6140442631. The next prime is 6140442643. The reversal of 6140442642 is 2462440416.

It is not an unprimeable number, because it can be changed into a prime (6140442643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844188 + ... + 3845784.

It is an arithmetic number, because the mean of its divisors is an integer number (385078050).

Almost surely, 2^6140442642 is an apocalyptic number.

6140442642 is an abundant number, since it is smaller than the sum of its proper divisors (6182054958).

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

6140442642 is a wasteful number, since it uses less digits than its factorization.

6140442642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 6140442642 is about 78360.9765253088. The cubic root of 6140442642 is about 1831.1892338714.

The spelling of 6140442642 in words is "six billion, one hundred forty million, four hundred forty-two thousand, six hundred forty-two".