421410132 has 144 divisors (see below), whose sum is σ = 1264623360. Its totient is φ = 116640000.

The previous prime is 421410103. The next prime is 421410133. The reversal of 421410132 is 231014124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421410133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560757 + ... + 561507.

Almost surely, 2^421410132 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 421410132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632311680).

421410132 is an abundant number, since it is smaller than the sum of its proper divisors (843213228).

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

421410132 is a wasteful number, since it uses less digits than its factorization.

421410132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421410132 is about 20528.2764011010. The cubic root of 421410132 is about 749.7244214210.

Adding to 421410132 its reverse (231014124), we get a palindrome (652424256).

The spelling of 421410132 in words is "four hundred twenty-one million, four hundred ten thousand, one hundred thirty-two".