421312010 has 48 divisors (see below), whose sum is σ = 895701888. Its totient is φ = 139767840.

The previous prime is 421312009. The next prime is 421312019. The reversal of 421312010 is 10213124.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (421312019) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 64139 + ... + 70401.

It is an arithmetic number, because the mean of its divisors is an integer number (18660456).

Almost surely, 2^421312010 is an apocalyptic number.

421312010 is an abundant number, since it is smaller than the sum of its proper divisors (474389878).

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

421312010 is a wasteful number, since it uses less digits than its factorization.

421312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339 (or 6308 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 421312010 is about 20525.8863389623. The cubic root of 421312010 is about 749.6662277798. Note that the first 3 decimals are identical.

Adding to 421312010 its reverse (10213124), we get a palindrome (431525134).

The spelling of 421312010 in words is "four hundred twenty-one million, three hundred twelve thousand, ten".