424120240 has 40 divisors (see below), whose sum is σ = 989691120. Its totient is φ = 169026816.

The previous prime is 424120231. The next prime is 424120259. The reversal of 424120240 is 42021424.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12591 + ... + 31729.

It is an arithmetic number, because the mean of its divisors is an integer number (24742278).

Almost surely, 2^424120240 is an apocalyptic number.

424120240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424120240 is an abundant number, since it is smaller than the sum of its proper divisors (565570880).

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

424120240 is a wasteful number, since it uses less digits than its factorization.

424120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 424120240 is about 20594.1797603109. The cubic root of 424120240 is about 751.3281591951.

Adding to 424120240 its reverse (42021424), we get a palindrome (466141664).

The spelling of 424120240 in words is "four hundred twenty-four million, one hundred twenty thousand, two hundred forty".