4001261240801 has 8 divisors (see below), whose sum is σ = 4365291525408. Its totient is φ = 3637277500000.

The previous prime is 4001261240677. The next prime is 4001261240857. The reversal of 4001261240801 is 1080421621004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001261240801 - 2¹⁰ = 4001261239777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4001261240881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456075 + ... + 11800176.

It is an arithmetic number, because the mean of its divisors is an integer number (545661440676).

Almost surely, 2^{4001261240801} is an apocalyptic number.

It is an amenable number.

4001261240801 is a deficient number, since it is larger than the sum of its proper divisors (364030284607).

4001261240801 is a wasteful number, since it uses less digits than its factorization.

4001261240801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271903.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 4001261240801 its reverse (1080421621004), we get a palindrome (5081682861805).

The spelling of 4001261240801 in words is "four trillion, one billion, two hundred sixty-one million, two hundred forty thousand, eight hundred one".