424442220240 has 160 divisors (see below), whose sum is σ = 1335078049536. Its totient is φ = 111525621760.

The previous prime is 424442220203. The next prime is 424442220263. The reversal of 424442220240 is 42022244424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 424442220198 and 424442220207.

It is a congruent number.

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, 34022644 + ... + 34035116.

Almost surely, 2^424442220240 is an apocalyptic number.

424442220240 is a gapful number since it is divisible by the number (40) 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 424442220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667539024768).

424442220240 is an abundant number, since it is smaller than the sum of its proper divisors (910635829296).

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

424442220240 is a wasteful number, since it uses less digits than its factorization.

424442220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14557 (or 14551 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 424442220240 its reverse (42022244424), we get a palindrome (466464464664).

The spelling of 424442220240 in words is "four hundred twenty-four billion, four hundred forty-two million, two hundred twenty thousand, two hundred forty".