424221351432 has 64 divisors (see below), whose sum is σ = 1132400839680. Its totient is φ = 132113416512.

The previous prime is 424221351419. The next prime is 424221351439. The reversal of 424221351432 is 234153122424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 424221351393 and 424221351402.

It is not an unprimeable number, because it can be changed into a prime (424221351439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8912508 + ... + 8959979.

It is an arithmetic number, because the mean of its divisors is an integer number (17693763120).

Almost surely, 2^424221351432 is an apocalyptic number.

It is an amenable number.

424221351432 is an abundant number, since it is smaller than the sum of its proper divisors (708179488248).

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

424221351432 is a wasteful number, since it uses less digits than its factorization.

424221351432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17872562 (or 17872558 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 424221351432 its reverse (234153122424), we get a palindrome (658374473856).

The spelling of 424221351432 in words is "four hundred twenty-four billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred thirty-two".