2043402440001 has 16 divisors (see below), whose sum is σ = 3013416767424. Its totient is φ = 1223492520384.

The previous prime is 2043402439997. The next prime is 2043402440003. The reversal of 2043402440001 is 1000442043402.

It is a happy number.

It is not a de Polignac number, because 2043402440001 - 2² = 2043402439997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043402440003) 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, 708038211 + ... + 708041096.

It is an arithmetic number, because the mean of its divisors is an integer number (188338547964).

Almost surely, 2^{2043402440001} is an apocalyptic number.

It is an amenable number.

2043402440001 is a deficient number, since it is larger than the sum of its proper divisors (970014327423).

2043402440001 is a wasteful number, since it uses less digits than its factorization.

2043402440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416079360.

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

Adding to 2043402440001 its reverse (1000442043402), we get a palindrome (3043844483403).

The spelling of 2043402440001 in words is "two trillion, forty-three billion, four hundred two million, four hundred forty thousand, one".