424423244420 has 96 divisors (see below), whose sum is σ = 1063088603136. Its totient is φ = 139165488000.

The previous prime is 424423244359. The next prime is 424423244429. The reversal of 424423244420 is 24442324424.

It is a super-2 number, since 2×424423244420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (424423244429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36737645 + ... + 36749195.

It is an arithmetic number, because the mean of its divisors is an integer number (11073839616).

Almost surely, 2^424423244420 is an apocalyptic number.

It is an amenable number.

424423244420 is an abundant number, since it is smaller than the sum of its proper divisors (638665358716).

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

424423244420 is a wasteful number, since it uses less digits than its factorization.

424423244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23001 (or 22999 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 424423244420 its reverse (24442324424), we get a palindrome (448865568844).

The spelling of 424423244420 in words is "four hundred twenty-four billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred twenty".