421403030 has 8 divisors (see below), whose sum is σ = 758525472. Its totient is φ = 168561208.

The previous prime is 421403029. The next prime is 421403063. The reversal of 421403030 is 30304124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21070142 + ... + 21070161.

It is an arithmetic number, because the mean of its divisors is an integer number (94815684).

Almost surely, 2^421403030 is an apocalyptic number.

421403030 is a deficient number, since it is larger than the sum of its proper divisors (337122442).

421403030 is a wasteful number, since it uses less digits than its factorization.

421403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42140310.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 421403030 is about 20528.1034194589. The cubic root of 421403030 is about 749.7202097102.

Adding to 421403030 its reverse (30304124), we get a palindrome (451707154).

The spelling of 421403030 in words is "four hundred twenty-one million, four hundred three thousand, thirty".