424012401 has 24 divisors (see below), whose sum is σ = 636592320. Its totient is φ = 282031632.

The previous prime is 424012399. The next prime is 424012441. The reversal of 424012401 is 104210424.

424012401 is a `hidden beast` number, since 424 + 0 + 1 + 240 + 1 = 666.

It is not a de Polignac number, because 424012401 - 2¹ = 424012399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424012441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120495 + ... + 123963.

It is an arithmetic number, because the mean of its divisors is an integer number (26524680).

Almost surely, 2^424012401 is an apocalyptic number.

It is an amenable number.

424012401 is a deficient number, since it is larger than the sum of its proper divisors (212579919).

424012401 is an equidigital number, since it uses as much as digits as its factorization.

424012401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 424012401 is about 20591.5614026717. The cubic root of 424012401 is about 751.2644749394.

Adding to 424012401 its reverse (104210424), we get a palindrome (528222825).

It can be divided in two parts, 4240 and 12401, that added together give a square (16641 = 129²).

The spelling of 424012401 in words is "four hundred twenty-four million, twelve thousand, four hundred one".