403200870361 has 9 divisors (see below), whose sum is σ = 412823654901. Its totient is φ = 393797436732.

The previous prime is 403200870343. The next prime is 403200870427. The reversal of 403200870361 is 163078002304.

It is a happy number.

The square root of 403200870361 is 634981.

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

It is not a de Polignac number, because 403200870361 - 2⁹ = 403200869849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403200871361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27296800 + ... + 27311566.

It is an arithmetic number, because the mean of its divisors is an integer number (45869294989).

Almost surely, 2^403200870361 is an apocalyptic number.

403200870361 is the 634981-st square number.

403200870361 is the 317491-st centered octagonal number.

It is an amenable number.

403200870361 is a deficient number, since it is larger than the sum of its proper divisors (9622784540).

403200870361 is an frugal number, since it uses more digits than its factorization.

403200870361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29620 (or 14810 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 403200870361 its reverse (163078002304), we get a palindrome (566278872665).

The spelling of 403200870361 in words is "four hundred three billion, two hundred million, eight hundred seventy thousand, three hundred sixty-one".