424340032240 has 80 divisors (see below), whose sum is σ = 1013424654528. Its totient is φ = 165120933888.

The previous prime is 424340032211. The next prime is 424340032267. The reversal of 424340032240 is 42230043424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×424340032240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424340032199 and 424340032208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33716989 + ... + 33729571.

Almost surely, 2^424340032240 is an apocalyptic number.

424340032240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424340032240 is an abundant number, since it is smaller than the sum of its proper divisors (589084622288).

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

424340032240 is a wasteful number, since it uses less digits than its factorization.

424340032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026 (or 24020 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 424340032240 its reverse (42230043424), we get a palindrome (466570075664).

The spelling of 424340032240 in words is "four hundred twenty-four billion, three hundred forty million, thirty-two thousand, two hundred forty".