401145041 has 4 divisors (see below), whose sum is σ = 437612784. Its totient is φ = 364677300.

The previous prime is 401145037. The next prime is 401145049. The reversal of 401145041 is 140541104.

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 401145041 - 2² = 401145037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401145049) 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, 18233855 + ... + 18233876.

It is an arithmetic number, because the mean of its divisors is an integer number (109403196).

Almost surely, 2^401145041 is an apocalyptic number.

It is an amenable number.

401145041 is a deficient number, since it is larger than the sum of its proper divisors (36467743).

401145041 is a wasteful number, since it uses less digits than its factorization.

401145041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36467742.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 401145041 is about 20028.6055680369. The cubic root of 401145041 is about 737.5086911166.

Adding to 401145041 its reverse (140541104), we get a palindrome (541686145).

The spelling of 401145041 in words is "four hundred one million, one hundred forty-five thousand, forty-one".