424420144 has 20 divisors (see below), whose sum is σ = 822659400. Its totient is φ = 212120960.

The previous prime is 424420121. The next prime is 424420187. The reversal of 424420144 is 441024424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51339 + ... + 59029.

It is an arithmetic number, because the mean of its divisors is an integer number (41132970).

Almost surely, 2^424420144 is an apocalyptic number.

It is an amenable number.

424420144 is a deficient number, since it is larger than the sum of its proper divisors (398239256).

424420144 is a wasteful number, since it uses less digits than its factorization.

424420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148 (or 11142 counting only the distinct ones).

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

The square root of 424420144 is about 20601.4597541048. The cubic root of 424420144 is about 751.5052105820.

Adding to 424420144 its reverse (441024424), we get a palindrome (865444568).

The spelling of 424420144 in words is "four hundred twenty-four million, four hundred twenty thousand, one hundred forty-four".