424202440 has 32 divisors (see below), whose sum is σ = 956895480. Its totient is φ = 169247232.

The previous prime is 424202423. The next prime is 424202461. The reversal of 424202440 is 44202424.

It can be written as a sum of positive squares in 4 ways, for example, as 422795844 + 1406596 = 20562^2 + 1186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524 + ... + 29236.

Almost surely, 2^424202440 is an apocalyptic number.

424202440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424202440 is an abundant number, since it is smaller than the sum of its proper divisors (532693040).

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

424202440 is a wasteful number, since it uses less digits than its factorization.

424202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121 (or 27117 counting only the distinct ones).

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

The square root of 424202440 is about 20596.1753731124. The cubic root of 424202440 is about 751.3766951049.

Adding to 424202440 its reverse (44202424), we get a palindrome (468404864).

The spelling of 424202440 in words is "four hundred twenty-four million, two hundred two thousand, four hundred forty".