424046640424 has 128 divisors (see below), whose sum is σ = 902477738880. Its totient is φ = 185139302400.

The previous prime is 424046640401. The next prime is 424046640431.

It is a happy number.

424046640424 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46640119 + ... + 46649209.

It is an arithmetic number, because the mean of its divisors is an integer number (7050607335).

Almost surely, 2^424046640424 is an apocalyptic number.

424046640424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424046640424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451238869440).

424046640424 is an abundant number, since it is smaller than the sum of its proper divisors (478431098456).

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

424046640424 is a wasteful number, since it uses less digits than its factorization.

424046640424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

It can be divided in two parts, 4240 and 46640424, that added together give a palindrome (46644664).

The spelling of 424046640424 in words is "four hundred twenty-four billion, forty-six million, six hundred forty thousand, four hundred twenty-four".