400424141 has 16 divisors (see below), whose sum is σ = 448156800. Its totient is φ = 355228608.

The previous prime is 400424099. The next prime is 400424147. The reversal of 400424141 is 141424004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400424141 - 2²² = 396229837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400424147) 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, 83240 + ... + 87918.

It is an arithmetic number, because the mean of its divisors is an integer number (28009800).

Almost surely, 2^400424141 is an apocalyptic number.

It is an amenable number.

400424141 is a deficient number, since it is larger than the sum of its proper divisors (47732659).

400424141 is a wasteful number, since it uses less digits than its factorization.

400424141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 400424141 is about 20010.6007156207. The cubic root of 400424141 is about 737.0666325355.

Adding to 400424141 its reverse (141424004), we get a palindrome (541848145).

The spelling of 400424141 in words is "four hundred million, four hundred twenty-four thousand, one hundred forty-one".