421042232 has 32 divisors (see below), whose sum is σ = 887150880. Its totient is φ = 185877120.

The previous prime is 421042207. The next prime is 421042249. The reversal of 421042232 is 232240124.

It is a super-2 number, since 2×421042232² = 354553122255083648, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 85619 + ... + 90402.

It is an arithmetic number, because the mean of its divisors is an integer number (27723465).

Almost surely, 2^421042232 is an apocalyptic number.

It is an amenable number.

421042232 is an abundant number, since it is smaller than the sum of its proper divisors (466108648).

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

421042232 is a wasteful number, since it uses less digits than its factorization.

421042232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176063 (or 176059 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 421042232 is about 20519.3136337452. The cubic root of 421042232 is about 749.5061827826.

Adding to 421042232 its reverse (232240124), we get a palindrome (653282356).

The spelling of 421042232 in words is "four hundred twenty-one million, forty-two thousand, two hundred thirty-two".