401320132 has 12 divisors (see below), whose sum is σ = 705326076. Its totient is φ = 199798400.

The previous prime is 401320111. The next prime is 401320163. The reversal of 401320132 is 231023104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 347971716 = 7304^2 + 18654^2 .

It is a super-2 number, since 2×401320132² = 322115696696994848, which contains 22 as substring.

401320132 is a modest number, since divided by 1320132 gives 4 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214369 + ... + 216232.

It is an arithmetic number, because the mean of its divisors is an integer number (58777173).

Almost surely, 2^401320132 is an apocalyptic number.

It is an amenable number.

401320132 is a deficient number, since it is larger than the sum of its proper divisors (304005944).

401320132 is a wasteful number, since it uses less digits than its factorization.

401320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430838 (or 430836 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401320132 is about 20032.9761143970. The cubic root of 401320132 is about 737.6159776239.

Adding to 401320132 its reverse (231023104), we get a palindrome (632343236).

The spelling of 401320132 in words is "four hundred one million, three hundred twenty thousand, one hundred thirty-two".