424402111 has 16 divisors (see below), whose sum is σ = 506253888. Its totient is φ = 348192000.

The previous prime is 424402091. The next prime is 424402117. The reversal of 424402111 is 111204424.

It is a cyclic number.

It is not a de Polignac number, because 424402111 - 2¹⁷ = 424271039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424402117) by changing a digit.

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, 1261 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (31640868).

Almost surely, 2^424402111 is an apocalyptic number.

424402111 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

424402111 is a deficient number, since it is larger than the sum of its proper divisors (81851777).

424402111 is a wasteful number, since it uses less digits than its factorization.

424402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28002.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 424402111 is about 20601.0220862947. The cubic root of 424402111 is about 751.4945669737.

Adding to 424402111 its reverse (111204424), we get a palindrome (535606535).

It can be divided in two parts, 42440 and 2111, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 424402111 in words is "four hundred twenty-four million, four hundred two thousand, one hundred eleven".