424944451 has 4 divisors (see below), whose sum is σ = 425231712. Its totient is φ = 424657192.

The previous prime is 424944449. The next prime is 424944493. The reversal of 424944451 is 154449424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424944451 - 2¹ = 424944449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424944451.

It is not an unprimeable number, because it can be changed into a prime (424944431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141400 + ... + 144373.

It is an arithmetic number, because the mean of its divisors is an integer number (106307928).

Almost surely, 2^424944451 is an apocalyptic number.

424944451 is a deficient number, since it is larger than the sum of its proper divisors (287261).

424944451 is a wasteful number, since it uses less digits than its factorization.

424944451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287260.

The product of its digits is 92160, while the sum is 37.

The square root of 424944451 is about 20614.1808229190. The cubic root of 424944451 is about 751.8145403101.

The spelling of 424944451 in words is "four hundred twenty-four million, nine hundred forty-four thousand, four hundred fifty-one".