420344276 has 24 divisors (see below), whose sum is σ = 804365184. Its totient is φ = 190615680.

The previous prime is 420344269. The next prime is 420344291. The reversal of 420344276 is 672443024.

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, 8021 + ... + 30083.

It is an arithmetic number, because the mean of its divisors is an integer number (33515216).

Almost surely, 2^420344276 is an apocalyptic number.

It is an amenable number.

420344276 is a deficient number, since it is larger than the sum of its proper divisors (384020908).

420344276 is a wasteful number, since it uses less digits than its factorization.

420344276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22511 (or 22509 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 420344276 is about 20502.2992856899. The cubic root of 420344276 is about 749.0918049826.

The spelling of 420344276 in words is "four hundred twenty million, three hundred forty-four thousand, two hundred seventy-six".