421012032 has 112 divisors (see below), whose sum is σ = 1340144640. Its totient is φ = 113951232.

The previous prime is 421012027. The next prime is 421012061. The reversal of 421012032 is 230210124.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×421012032² = 354502262177538048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17293 + ... + 33779.

Almost surely, 2^421012032 is an apocalyptic number.

421012032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670072320).

421012032 is an abundant number, since it is smaller than the sum of its proper divisors (919132608).

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

421012032 is a wasteful number, since it uses less digits than its factorization.

421012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528 (or 16518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 421012032 is about 20518.5777284879. The cubic root of 421012032 is about 749.4882624679.

Adding to 421012032 its reverse (230210124), we get a palindrome (651222156).

The spelling of 421012032 in words is "four hundred twenty-one million, twelve thousand, thirty-two".