424140445 has 8 divisors (see below), whose sum is σ = 509294520. Its totient is φ = 339095040.

The previous prime is 424140413. The next prime is 424140469. The reversal of 424140445 is 544041424.

It can be written as a sum of positive squares in 4 ways, for example, as 63824121 + 360316324 = 7989^2 + 18982^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424140445 - 2⁵ = 424140413 is a prime.

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, 18316 + ... + 34405.

It is an arithmetic number, because the mean of its divisors is an integer number (63661815).

Almost surely, 2^424140445 is an apocalyptic number.

It is an amenable number.

424140445 is a deficient number, since it is larger than the sum of its proper divisors (85154075).

424140445 is a wasteful number, since it uses less digits than its factorization.

424140445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54335.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 424140445 is about 20594.6703056883. The cubic root of 424140445 is about 751.3400900447.

Adding to 424140445 its reverse (544041424), we get a palindrome (968181869).

The spelling of 424140445 in words is "four hundred twenty-four million, one hundred forty thousand, four hundred forty-five".