421150332 has 48 divisors (see below), whose sum is σ = 1036046592. Its totient is φ = 132887040.

The previous prime is 421150321. The next prime is 421150351. The reversal of 421150332 is 233051124.

It is a junction number, because it is equal to n+sod(n) for n = 421150299 and 421150308.

It is a congruent number.

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, 18907 + ... + 34637.

It is an arithmetic number, because the mean of its divisors is an integer number (21584304).

Almost surely, 2^421150332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421150332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518023296).

421150332 is an abundant number, since it is smaller than the sum of its proper divisors (614896260).

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

421150332 is a wasteful number, since it uses less digits than its factorization.

421150332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858 (or 15856 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 421150332 is about 20521.9475683961. The cubic root of 421150332 is about 749.5703209927.

The spelling of 421150332 in words is "four hundred twenty-one million, one hundred fifty thousand, three hundred thirty-two".