421350030 has 96 divisors (see below), whose sum is σ = 1135723680. Its totient is φ = 108303360.

The previous prime is 421350029. The next prime is 421350037. The reversal of 421350030 is 30053124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 421349985 and 421350012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421350037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327769 + ... + 329051.

It is an arithmetic number, because the mean of its divisors is an integer number (11830455).

Almost surely, 2^421350030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421350030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567861840).

421350030 is an abundant number, since it is smaller than the sum of its proper divisors (714373650).

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

421350030 is a wasteful number, since it uses less digits than its factorization.

421350030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 421350030 is about 20526.8124656509. The cubic root of 421350030 is about 749.6887775386.

The spelling of 421350030 in words is "four hundred twenty-one million, three hundred fifty thousand, thirty".