421141344 has 48 divisors (see below), whose sum is σ = 1190537712. Its totient is φ = 129581568.

The previous prime is 421141333. The next prime is 421141349. The reversal of 421141344 is 443141124.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×421141344² = 354720063252252672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421141349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167479 + ... + 169974.

It is an arithmetic number, because the mean of its divisors is an integer number (24802869).

Almost surely, 2^421141344 is an apocalyptic number.

It is an amenable number.

421141344 is an abundant number, since it is smaller than the sum of its proper divisors (769396368).

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

421141344 is a wasteful number, since it uses less digits than its factorization.

421141344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337479 (or 337471 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 421141344 is about 20521.7285821638. The cubic root of 421141344 is about 749.5649886245.

Adding to 421141344 its reverse (443141124), we get a palindrome (864282468).

The spelling of 421141344 in words is "four hundred twenty-one million, one hundred forty-one thousand, three hundred forty-four".