421434132 has 48 divisors (see below), whose sum is σ = 1139668992. Its totient is φ = 118712160.

The previous prime is 421434113. The next prime is 421434149. The reversal of 421434132 is 231434124.

It is a super-2 number, since 2×421434132² = 355213455229186848, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29368 + ... + 41295.

It is an arithmetic number, because the mean of its divisors is an integer number (23743104).

Almost surely, 2^421434132 is an apocalyptic number.

421434132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

421434132 is an abundant number, since it is smaller than the sum of its proper divisors (718234860).

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

421434132 is a wasteful number, since it uses less digits than its factorization.

421434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70748 (or 70746 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 421434132 is about 20528.8609523276. The cubic root of 421434132 is about 749.7386538304.

Adding to 421434132 its reverse (231434124), we get a palindrome (652868256).

The spelling of 421434132 in words is "four hundred twenty-one million, four hundred thirty-four thousand, one hundred thirty-two".