424440642 has 16 divisors (see below), whose sum is σ = 864898560. Its totient is φ = 138810672.

The previous prime is 424440641. The next prime is 424440697. The reversal of 424440642 is 246044424.

It is not an unprimeable number, because it can be changed into a prime (424440641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667042 + ... + 667677.

It is an arithmetic number, because the mean of its divisors is an integer number (54056160).

Almost surely, 2^424440642 is an apocalyptic number.

424440642 is an abundant number, since it is smaller than the sum of its proper divisors (440457918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424440642 is a wasteful number, since it uses less digits than its factorization.

424440642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334777.

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 424440642 is about 20601.9572371171. The cubic root of 424440642 is about 751.5173087400.

The spelling of 424440642 in words is "four hundred twenty-four million, four hundred forty thousand, six hundred forty-two".