401044321 has 4 divisors (see below), whose sum is σ = 403445952. Its totient is φ = 398642692.

The previous prime is 401044313. The next prime is 401044327. The reversal of 401044321 is 123440104.

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 401044321 - 2³ = 401044313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401044327) 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, 1200565 + ... + 1200898.

It is an arithmetic number, because the mean of its divisors is an integer number (100861488).

Almost surely, 2^401044321 is an apocalyptic number.

It is an amenable number.

401044321 is a deficient number, since it is larger than the sum of its proper divisors (2401631).

401044321 is a wasteful number, since it uses less digits than its factorization.

401044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401630.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401044321 is about 20026.0910064845. The cubic root of 401044321 is about 737.4469610808.

Adding to 401044321 its reverse (123440104), we get a palindrome (524484425).

The spelling of 401044321 in words is "four hundred one million, forty-four thousand, three hundred twenty-one".