401324333241220 has 24 divisors (see below), whose sum is σ = 847437348984408. Its totient is φ = 159642828691200.

The previous prime is 401324333241193. The next prime is 401324333241257. The reversal of 401324333241220 is 22142333423104.

It can be written as a sum of positive squares in 4 ways, for example, as 12424793113924 + 388899540127296 = 3524882^2 + 19720536^2 .

It is a super-2 number, since 2×401324333241220² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55431534121 + ... + 55431541360.

It is an arithmetic number, because the mean of its divisors is an integer number (35309889541017).

Almost surely, 2^{401324333241220} is an apocalyptic number.

It is an amenable number.

401324333241220 is an abundant number, since it is smaller than the sum of its proper divisors (446113015743188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401324333241220 is a wasteful number, since it uses less digits than its factorization.

401324333241220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110863075671 (or 110863075669 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 401324333241220 its reverse (22142333423104), we get a palindrome (423466666664324).

The spelling of 401324333241220 in words is "four hundred one trillion, three hundred twenty-four billion, three hundred thirty-three million, two hundred forty-one thousand, two hundred twenty".