403604819401 has 27 divisors (see below), whose sum is σ = 479949923757. Its totient is φ = 338411071320.

The previous prime is 403604819399. The next prime is 403604819417. The reversal of 403604819401 is 104918406304.

The square root of 403604819401 is 635299.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 403604819401 - 2¹ = 403604819399 is a prime.

It is a super-3 number, since 3×403604819401³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403604819441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 209012406 + ... + 209014336.

Almost surely, 2^403604819401 is an apocalyptic number.

403604819401 is the 635299-th square number.

403604819401 is the 317650-th centered octagonal number.

It is an amenable number.

403604819401 is a deficient number, since it is larger than the sum of its proper divisors (76345104356).

403604819401 is an frugal number, since it uses more digits than its factorization.

403604819401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 403604819401 in words is "four hundred three billion, six hundred four million, eight hundred nineteen thousand, four hundred one".