401404324 has 24 divisors (see below), whose sum is σ = 707575680. Its totient is φ = 199245984.

The previous prime is 401404307. The next prime is 401404331. The reversal of 401404324 is 423404104.

It is a super-2 number, since 2×401404324² = 322250862651793952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401404295 and 401404304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614382 + ... + 615034.

It is an arithmetic number, because the mean of its divisors is an integer number (29482320).

Almost surely, 2^401404324 is an apocalyptic number.

It is an amenable number.

401404324 is a deficient number, since it is larger than the sum of its proper divisors (306171356).

401404324 is a wasteful number, since it uses less digits than its factorization.

401404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 401404324 is about 20035.0773395063. The cubic root of 401404324 is about 737.6675549203.

Adding to 401404324 its reverse (423404104), we get a palindrome (824808428).

The spelling of 401404324 in words is "four hundred one million, four hundred four thousand, three hundred twenty-four".