421144268 has 12 divisors (see below), whose sum is σ = 738315480. Its totient is φ = 210196992.

The previous prime is 421144261. The next prime is 421144277. The reversal of 421144268 is 862441124.

It is not an unprimeable number, because it can be changed into a prime (421144261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91253 + ... + 95756.

It is an arithmetic number, because the mean of its divisors is an integer number (61526290).

Almost surely, 2^421144268 is an apocalyptic number.

It is an amenable number.

421144268 is a deficient number, since it is larger than the sum of its proper divisors (317171212).

421144268 is a wasteful number, since it uses less digits than its factorization.

421144268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187576 (or 187574 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 421144268 is about 20521.7998236022. The cubic root of 421144268 is about 749.5667233730.

The spelling of 421144268 in words is "four hundred twenty-one million, one hundred forty-four thousand, two hundred sixty-eight".