401135454241 has 4 divisors (see below), whose sum is σ = 403596408112. Its totient is φ = 398674500372.

The previous prime is 401135454221. The next prime is 401135454259. The reversal of 401135454241 is 142454531104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401135454241 - 2⁹ = 401135453729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401135454197 and 401135454206.

It is not an unprimeable number, because it can be changed into a prime (401135454221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230476691 + ... + 1230477016.

It is an arithmetic number, because the mean of its divisors is an integer number (100899102028).

Almost surely, 2^401135454241 is an apocalyptic number.

It is an amenable number.

401135454241 is a deficient number, since it is larger than the sum of its proper divisors (2460953871).

401135454241 is a wasteful number, since it uses less digits than its factorization.

401135454241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460953870.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 401135454241 its reverse (142454531104), we get a palindrome (543589985345).

The spelling of 401135454241 in words is "four hundred one billion, one hundred thirty-five million, four hundred fifty-four thousand, two hundred forty-one".