424344221420 has 48 divisors (see below), whose sum is σ = 1032377199168. Its totient is φ = 143496437760.

The previous prime is 424344221407. The next prime is 424344221443. The reversal of 424344221420 is 24122443424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20750261 + ... + 20770700.

It is an arithmetic number, because the mean of its divisors is an integer number (21507858316).

Almost surely, 2^424344221420 is an apocalyptic number.

It is an amenable number.

424344221420 is an abundant number, since it is smaller than the sum of its proper divisors (608032977748).

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

424344221420 is a wasteful number, since it uses less digits than its factorization.

424344221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41521050 (or 41521048 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 424344221420 its reverse (24122443424), we get a palindrome (448466664844).

The spelling of 424344221420 in words is "four hundred twenty-four billion, three hundred forty-four million, two hundred twenty-one thousand, four hundred twenty".