2143242240041 has 16 divisors (see below), whose sum is σ = 2533957117440. Its totient is φ = 1773665449920.

The previous prime is 2143242240023. The next prime is 2143242240079. The reversal of 2143242240041 is 1400422423412.

It is a happy number.

It is not a de Polignac number, because 2143242240041 - 2²² = 2143238045737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 2143242239986 and 2143242240013.

It is not an unprimeable number, because it can be changed into a prime (2143242240001) 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, 7733531 + ... + 8005871.

It is an arithmetic number, because the mean of its divisors is an integer number (158372319840).

Almost surely, 2^{2143242240041} is an apocalyptic number.

It is an amenable number.

2143242240041 is a deficient number, since it is larger than the sum of its proper divisors (390714877399).

2143242240041 is a wasteful number, since it uses less digits than its factorization.

2143242240041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311144.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2143242240041 its reverse (1400422423412), we get a palindrome (3543664663453).

The spelling of 2143242240041 in words is "two trillion, one hundred forty-three billion, two hundred forty-two million, two hundred forty thousand, forty-one".