401444030 has 32 divisors (see below), whose sum is σ = 788054400. Its totient is φ = 146345472.

The previous prime is 401443981. The next prime is 401444041. The reversal of 401444030 is 30444104.

It is a super-2 number, since 2×401444030² = 322314618445281800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401443993 and 401444011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9275 + ... + 29814.

It is an arithmetic number, because the mean of its divisors is an integer number (24626700).

Almost surely, 2^401444030 is an apocalyptic number.

401444030 is a deficient number, since it is larger than the sum of its proper divisors (386610370).

401444030 is a wasteful number, since it uses less digits than its factorization.

401444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39188.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 401444030 is about 20036.0682270749. The cubic root of 401444030 is about 737.6918769156.

Adding to 401444030 its reverse (30444104), we get a palindrome (431888134).

The spelling of 401444030 in words is "four hundred one million, four hundred forty-four thousand, thirty".