420240334 has 8 divisors (see below), whose sum is σ = 652097160. Its totient is φ = 202874616.

The previous prime is 420240329. The next prime is 420240343. The reversal of 420240334 is 433042024.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3622704 + ... + 3622819.

It is an arithmetic number, because the mean of its divisors is an integer number (81512145).

Almost surely, 2^420240334 is an apocalyptic number.

420240334 is a deficient number, since it is larger than the sum of its proper divisors (231856826).

420240334 is a wasteful number, since it uses less digits than its factorization.

420240334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245554.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420240334 is about 20499.7642425468. The cubic root of 420240334 is about 749.0300551872.

Adding to 420240334 its reverse (433042024), we get a palindrome (853282358).

The spelling of 420240334 in words is "four hundred twenty million, two hundred forty thousand, three hundred thirty-four".