6142440311 has 16 divisors (see below), whose sum is σ = 7148620800. Its totient is φ = 5169179808.

The previous prime is 6142440301. The next prime is 6142440331. The reversal of 6142440311 is 1130442416.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6142440311 - 2¹⁰ = 6142439287 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 (6142440301) 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, 67961 + ... + 130013.

It is an arithmetic number, because the mean of its divisors is an integer number (446788800).

Almost surely, 2^6142440311 is an apocalyptic number.

6142440311 is a deficient number, since it is larger than the sum of its proper divisors (1006180489).

6142440311 is a wasteful number, since it uses less digits than its factorization.

6142440311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62318.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6142440311 is about 78373.7220693263. The cubic root of 6142440311 is about 1831.3877924854.

Adding to 6142440311 its reverse (1130442416), we get a palindrome (7272882727).

The spelling of 6142440311 in words is "six billion, one hundred forty-two million, four hundred forty thousand, three hundred eleven".