424430454 has 72 divisors (see below), whose sum is σ = 1032627960. Its totient is φ = 115950912.

The previous prime is 424430453. The next prime is 424430467. The reversal of 424430454 is 454034424.

It is a super-2 number, since 2×424430454² = 360282420565292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424430453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 154162 + ... + 156890.

It is an arithmetic number, because the mean of its divisors is an integer number (14342055).

Almost surely, 2^424430454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424430454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516313980).

424430454 is an abundant number, since it is smaller than the sum of its proper divisors (608197506).

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

424430454 is a wasteful number, since it uses less digits than its factorization.

424430454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 424430454 is about 20601.7099775723. The cubic root of 424430454 is about 751.5112957126.

Adding to 424430454 its reverse (454034424), we get a palindrome (878464878).

The spelling of 424430454 in words is "four hundred twenty-four million, four hundred thirty thousand, four hundred fifty-four".