421024412044440 has 96 divisors (see below), whose sum is σ = 1369094198331600. Its totient is φ = 112210418868480.

The previous prime is 421024412044433. The next prime is 421024412044531. The reversal of 421024412044440 is 44440214420124.

421024412044440 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 2 + 4 + 4 + 1 + 204 + 4 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 421024412044395 and 421024412044404.

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, 326217966 + ... + 327506045.

Almost surely, 2^{421024412044440} is an apocalyptic number.

421024412044440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421024412044440 is an abundant number, since it is smaller than the sum of its proper divisors (948069786287160).

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

421024412044440 is a wasteful number, since it uses less digits than its factorization.

421024412044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653725817 (or 653725810 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 421024412044440 its reverse (44440214420124), we get a palindrome (465464626464564).

The spelling of 421024412044440 in words is "four hundred twenty-one trillion, twenty-four billion, four hundred twelve million, forty-four thousand, four hundred forty".