421330240414 has 8 divisors (see below), whose sum is σ = 632216269368. Its totient is φ = 210591483960.

The previous prime is 421330240363. The next prime is 421330240421. The reversal of 421330240414 is 414042033124.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36810972 + ... + 36822415.

It is an arithmetic number, because the mean of its divisors is an integer number (79027033671).

Almost surely, 2^421330240414 is an apocalyptic number.

421330240414 is a deficient number, since it is larger than the sum of its proper divisors (210886028954).

421330240414 is a wasteful number, since it uses less digits than its factorization.

421330240414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73636250.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421330240414 its reverse (414042033124), we get a palindrome (835372273538).

The spelling of 421330240414 in words is "four hundred twenty-one billion, three hundred thirty million, two hundred forty thousand, four hundred fourteen".