421141432 has 24 divisors (see below), whose sum is σ = 806832360. Its totient is φ = 206081840.

The previous prime is 421141423. The next prime is 421141433. The reversal of 421141432 is 234141124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421141433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5757 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (33618015).

Almost surely, 2^421141432 is an apocalyptic number.

It is an amenable number.

421141432 is a deficient number, since it is larger than the sum of its proper divisors (385690928).

421141432 is a wasteful number, since it uses less digits than its factorization.

421141432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23931 (or 23880 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 421141432 is about 20521.7307262326. The cubic root of 421141432 is about 749.5650408332.

Adding to 421141432 its reverse (234141124), we get a palindrome (655282556).

The spelling of 421141432 in words is "four hundred twenty-one million, one hundred forty-one thousand, four hundred thirty-two".