424142340 has 48 divisors (see below), whose sum is σ = 1188492480. Its totient is φ = 113019520.

The previous prime is 424142321. The next prime is 424142347. The reversal of 424142340 is 43241424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 424142340.

It is not an unprimeable number, because it can be changed into a prime (424142347) 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 15 ways as a sum of consecutive naturals, for example, 153370 + ... + 156110.

It is an arithmetic number, because the mean of its divisors is an integer number (24760260).

Almost surely, 2^424142340 is an apocalyptic number.

It is an amenable number.

424142340 is an abundant number, since it is smaller than the sum of its proper divisors (764350140).

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

424142340 is a wasteful number, since it uses less digits than its factorization.

424142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 424142340 is about 20594.7163126856. The cubic root of 424142340 is about 751.3412090037.

Adding to 424142340 its reverse (43241424), we get a palindrome (467383764).

The spelling of 424142340 in words is "four hundred twenty-four million, one hundred forty-two thousand, three hundred forty".