401333201252 has 12 divisors (see below), whose sum is σ = 709286895996. Its totient is φ = 198679802400.

The previous prime is 401333201233. The next prime is 401333201257. The reversal of 401333201252 is 252102333104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 304633348096 + 96699853156 = 551936^2 + 310966^2 .

It is a super-2 number, since 2×401333201252² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401333201257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496699103 + ... + 496699910.

It is an arithmetic number, because the mean of its divisors is an integer number (59107241333).

Almost surely, 2^401333201252 is an apocalyptic number.

It is an amenable number.

401333201252 is a deficient number, since it is larger than the sum of its proper divisors (307953694744).

401333201252 is a wasteful number, since it uses less digits than its factorization.

401333201252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993399118 (or 993399116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 401333201252 its reverse (252102333104), we get a palindrome (653435534356).

The spelling of 401333201252 in words is "four hundred one billion, three hundred thirty-three million, two hundred one thousand, two hundred fifty-two".