420420344 has 32 divisors (see below), whose sum is σ = 813289680. Its totient is φ = 203595264.

The previous prime is 420420317. The next prime is 420420361. The reversal of 420420344 is 443024024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64064 + ... + 70320.

Almost surely, 2^420420344 is an apocalyptic number.

It is an amenable number.

420420344 is a deficient number, since it is larger than the sum of its proper divisors (392869336).

420420344 is a wasteful number, since it uses less digits than its factorization.

420420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 420420344 is about 20504.1543107732. The cubic root of 420420344 is about 749.1369889598.

Adding to 420420344 its reverse (443024024), we get a palindrome (863444368).

The spelling of 420420344 in words is "four hundred twenty million, four hundred twenty thousand, three hundred forty-four".