424444545 has 48 divisors (see below), whose sum is σ = 858723840. Its totient is φ = 189896832.

The previous prime is 424444543. The next prime is 424444613. The reversal of 424444545 is 545444424.

It is not a de Polignac number, because 424444545 - 2¹ = 424444543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424444543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471 + ... + 29139.

It is an arithmetic number, because the mean of its divisors is an integer number (17890080).

Almost surely, 2^424444545 is an apocalyptic number.

424444545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424444545 is an abundant number, since it is smaller than the sum of its proper divisors (434279295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424444545 is a wasteful number, since it uses less digits than its factorization.

424444545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28734 (or 28731 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 424444545 is about 20602.0519609091. The cubic root of 424444545 is about 751.5196122918.

Adding to 424444545 its reverse (545444424), we get a palindrome (969888969).

The spelling of 424444545 in words is "four hundred twenty-four million, four hundred forty-four thousand, five hundred forty-five".