401202440001 has 24 divisors (see below), whose sum is σ = 632530641600. Its totient is φ = 243024972000.

The previous prime is 401202439997. The next prime is 401202440003. The reversal of 401202440001 is 100044202104.

401202440001 is a `hidden beast` number, since 401 + 20 + 244 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 401202440001 - 2² = 401202439997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401202440003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877701 + ... + 1254098.

It is an arithmetic number, because the mean of its divisors is an integer number (26355443400).

Almost surely, 2^401202440001 is an apocalyptic number.

It is an amenable number.

401202440001 is a deficient number, since it is larger than the sum of its proper divisors (231328201599).

401202440001 is a wasteful number, since it uses less digits than its factorization.

401202440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133717 (or 2133714 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 401202440001 its reverse (100044202104), we get a palindrome (501246642105).

The spelling of 401202440001 in words is "four hundred one billion, two hundred two million, four hundred forty thousand, one".