421270544 has 20 divisors (see below), whose sum is σ = 816969660. Its totient is φ = 210439680.

The previous prime is 421270537. The next prime is 421270579. The reversal of 421270544 is 445072124.

It can be written as a sum of positive squares in 2 ways, for example, as 104857600 + 316412944 = 10240^2 + 17788^2 .

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, 6404 + ... + 29724.

It is an arithmetic number, because the mean of its divisors is an integer number (40848483).

Almost surely, 2^421270544 is an apocalyptic number.

It is an amenable number.

421270544 is a deficient number, since it is larger than the sum of its proper divisors (395699116).

421270544 is a wasteful number, since it uses less digits than its factorization.

421270544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24458 (or 24452 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 421270544 is about 20524.8762237437. The cubic root of 421270544 is about 749.6416326429.

It can be divided in two parts, 4 and 21270544, that multiplied together give a square (85082176 = 9224²).

The spelling of 421270544 in words is "four hundred twenty-one million, two hundred seventy thousand, five hundred forty-four".