424140442 has 16 divisors (see below), whose sum is σ = 705428064. Its totient is φ = 189630000.

The previous prime is 424140413. The next prime is 424140469. The reversal of 424140442 is 244041424.

It is a super-2 number, since 2×424140442² = 359790229079910728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156684 + ... + 159367.

It is an arithmetic number, because the mean of its divisors is an integer number (44089254).

Almost surely, 2^424140442 is an apocalyptic number.

424140442 is a deficient number, since it is larger than the sum of its proper divisors (281287622).

424140442 is a wasteful number, since it uses less digits than its factorization.

424140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316125.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 424140442 is about 20594.6702328539. The cubic root of 424140442 is about 751.3400882733.

Adding to 424140442 its reverse (244041424), we get a palindrome (668181866).

The spelling of 424140442 in words is "four hundred twenty-four million, one hundred forty thousand, four hundred forty-two".