424211423220 has 72 divisors (see below), whose sum is σ = 1385757323496. Its totient is φ = 104421272832.

The previous prime is 424211423191. The next prime is 424211423263. The reversal of 424211423220 is 22324112424.

It is a happy number.

424211423220 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 11 + 423 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 86485399056 + 337726024164 = 294084^2 + 581142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90641127 + ... + 90645806.

It is an arithmetic number, because the mean of its divisors is an integer number (19246629493).

Almost surely, 2^424211423220 is an apocalyptic number.

It is an amenable number.

424211423220 is an abundant number, since it is smaller than the sum of its proper divisors (961545900276).

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

424211423220 is a wasteful number, since it uses less digits than its factorization.

424211423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181286961 (or 181286956 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 424211423220 its reverse (22324112424), we get a palindrome (446535535644).

It can be divided in two parts, 42421 and 1423220, that added together give a palindrome (1465641).

The spelling of 424211423220 in words is "four hundred twenty-four billion, two hundred eleven million, four hundred twenty-three thousand, two hundred twenty".