424383920 has 40 divisors (see below), whose sum is σ = 1044736704. Its totient is φ = 159767552.

The previous prime is 424383919. The next prime is 424383929. The reversal of 424383920 is 29383424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (424383929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154664 + ... + 157383.

Almost surely, 2^424383920 is an apocalyptic number.

424383920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424383920 is an abundant number, since it is smaller than the sum of its proper divisors (620352784).

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

424383920 is a wasteful number, since it uses less digits than its factorization.

424383920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312077 (or 312071 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 424383920 is about 20600.5805743430. The cubic root of 424383920 is about 751.4838298035.

The spelling of 424383920 in words is "four hundred twenty-four million, three hundred eighty-three thousand, nine hundred twenty".