421263312 has 40 divisors (see below), whose sum is σ = 1092846720. Its totient is φ = 139829760.

The previous prime is 421263287. The next prime is 421263317. The reversal of 421263312 is 213362124.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421263317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6889 + ... + 29832.

It is an arithmetic number, because the mean of its divisors is an integer number (27321168).

Almost surely, 2^421263312 is an apocalyptic number.

It is an amenable number.

421263312 is an abundant number, since it is smaller than the sum of its proper divisors (671583408).

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

421263312 is a wasteful number, since it uses less digits than its factorization.

421263312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36971 (or 36965 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 421263312 is about 20524.7000465293. The cubic root of 421263312 is about 749.6373428902.

The spelling of 421263312 in words is "four hundred twenty-one million, two hundred sixty-three thousand, three hundred twelve".