396261411220 has 24 divisors (see below), whose sum is σ = 838223049384. Its totient is φ = 157347595776.

The previous prime is 396261411211. The next prime is 396261411241. The reversal of 396261411220 is 22114162693.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64720377604 + 331541033616 = 254402^2 + 575796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396261411220.

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, 72307737 + ... + 72313216.

It is an arithmetic number, because the mean of its divisors is an integer number (34925960391).

Almost surely, 2^396261411220 is an apocalyptic number.

It is an amenable number.

396261411220 is an abundant number, since it is smaller than the sum of its proper divisors (441961638164).

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

396261411220 is a wasteful number, since it uses less digits than its factorization.

396261411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144621099 (or 144621097 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 396261411220 in words is "three hundred ninety-six billion, two hundred sixty-one million, four hundred eleven thousand, two hundred twenty".