424242040 has 32 divisors (see below), whose sum is σ = 967995360. Its totient is φ = 167305600.

The previous prime is 424242031. The next prime is 424242041. The reversal of 424242040 is 40242424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424242041) 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, 71851 + ... + 77530.

It is an arithmetic number, because the mean of its divisors is an integer number (30249855).

Almost surely, 2^424242040 is an apocalyptic number.

424242040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424242040 is an abundant number, since it is smaller than the sum of its proper divisors (543753320).

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

424242040 is a wasteful number, since it uses less digits than its factorization.

424242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149463 (or 149459 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 424242040 is about 20597.1366942107. The cubic root of 424242040 is about 751.4000751302.

Adding to 424242040 its reverse (40242424), we get a palindrome (464484464).

The spelling of 424242040 in words is "four hundred twenty-four million, two hundred forty-two thousand, forty".