421124352 has 144 divisors (see below), whose sum is σ = 1240135680. Its totient is φ = 125798400.

The previous prime is 421124329. The next prime is 421124369. The reversal of 421124352 is 253421124.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667077 + ... + 667707.

Almost surely, 2^421124352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421124352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620067840).

421124352 is an abundant number, since it is smaller than the sum of its proper divisors (819011328).

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

421124352 is a wasteful number, since it uses less digits than its factorization.

421124352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 726 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 421124352 is about 20521.3145777750. The cubic root of 421124352 is about 749.5549074647.

Adding to 421124352 its reverse (253421124), we get a palindrome (674545476).

It can be divided in two parts, 42112 and 4352, that added together give a palindrome (46464).

The spelling of 421124352 in words is "four hundred twenty-one million, one hundred twenty-four thousand, three hundred fifty-two".