403221440401 has 8 divisors (see below), whose sum is σ = 443477591424. Its totient is φ = 364285163280.

The previous prime is 403221440399. The next prime is 403221440423. The reversal of 403221440401 is 104044122304.

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 403221440401 - 2¹ = 403221440399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403221449401) 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, 329967835 + ... + 329969056.

It is an arithmetic number, because the mean of its divisors is an integer number (55434698928).

Almost surely, 2^403221440401 is an apocalyptic number.

It is an amenable number.

403221440401 is a deficient number, since it is larger than the sum of its proper divisors (40256151023).

403221440401 is a wasteful number, since it uses less digits than its factorization.

403221440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659936951.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 403221440401 its reverse (104044122304), we get a palindrome (507265562705).

The spelling of 403221440401 in words is "four hundred three billion, two hundred twenty-one million, four hundred forty thousand, four hundred one".