401424441 has 16 divisors (see below), whose sum is σ = 586057728. Its totient is φ = 242384400.

The previous prime is 401424431. The next prime is 401424461. The reversal of 401424441 is 144424104.

It is a happy number.

It is not a de Polignac number, because 401424441 - 2¹⁰ = 401423417 is a prime.

It is a super-2 number, since 2×401424441² = 322283163664324962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401424421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13501 + ... + 31386.

It is an arithmetic number, because the mean of its divisors is an integer number (36628608).

Almost surely, 2^401424441 is an apocalyptic number.

It is an amenable number.

401424441 is a deficient number, since it is larger than the sum of its proper divisors (184633287).

401424441 is a wasteful number, since it uses less digits than its factorization.

401424441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45172.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 401424441 is about 20035.5793776971. The cubic root of 401424441 is about 737.6798778322.

Adding to 401424441 its reverse (144424104), we get a palindrome (545848545).

The spelling of 401424441 in words is "four hundred one million, four hundred twenty-four thousand, four hundred forty-one".