401421352 has 16 divisors (see below), whose sum is σ = 755984160. Its totient is φ = 199825584.

The previous prime is 401421337. The next prime is 401421359. The reversal of 401421352 is 253124104.

It is a super-2 number, since 2×401421352² = 322278203683015808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401421359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108708 + ... + 112339.

It is an arithmetic number, because the mean of its divisors is an integer number (47249010).

Almost surely, 2^401421352 is an apocalyptic number.

It is an amenable number.

401421352 is a deficient number, since it is larger than the sum of its proper divisors (354562808).

401421352 is a wasteful number, since it uses less digits than its factorization.

401421352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221280 (or 221276 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 401421352 is about 20035.5022896857. The cubic root of 401421352 is about 737.6779856546.

Adding to 401421352 its reverse (253124104), we get a palindrome (654545456).

The spelling of 401421352 in words is "four hundred one million, four hundred twenty-one thousand, three hundred fifty-two".