421040302 has 8 divisors (see below), whose sum is σ = 631647576. Its totient is φ = 210491112.

The previous prime is 421040293. The next prime is 421040303. The reversal of 421040302 is 203040124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421040303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20388 + ... + 35464.

It is an arithmetic number, because the mean of its divisors is an integer number (78955947).

Almost surely, 2^421040302 is an apocalyptic number.

421040302 is a deficient number, since it is larger than the sum of its proper divisors (210607274).

421040302 is a wasteful number, since it uses less digits than its factorization.

421040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29042.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 421040302 is about 20519.2666048278. The cubic root of 421040302 is about 749.5050375696.

Adding to 421040302 its reverse (203040124), we get a palindrome (624080426).

The spelling of 421040302 in words is "four hundred twenty-one million, forty thousand, three hundred two".