401133211310420 has 24 divisors (see below), whose sum is σ = 842409288657384. Its totient is φ = 160447656923136.

The previous prime is 401133211310281. The next prime is 401133211310441. The reversal of 401133211310420 is 24013112331104.

It can be written as a sum of positive squares in 4 ways, for example, as 254013341337616 + 147119869972804 = 15937796^2 + 12129298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401133211310420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351140549 + ... + 352281068.

It is an arithmetic number, because the mean of its divisors is an integer number (35100387027391).

Almost surely, 2^{401133211310420} is an apocalyptic number.

It is an amenable number.

401133211310420 is an abundant number, since it is smaller than the sum of its proper divisors (441276077346964).

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

401133211310420 is a wasteful number, since it uses less digits than its factorization.

401133211310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703450139 (or 703450137 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 401133211310420 its reverse (24013112331104), we get a palindrome (425146323641524).

The spelling of 401133211310420 in words is "four hundred one trillion, one hundred thirty-three billion, two hundred eleven million, three hundred ten thousand, four hundred twenty".