42471424 has 26 divisors (see below), whose sum is σ = 84940670. Its totient is φ = 21233664.

The previous prime is 42471413. The next prime is 42471431. The reversal of 42471424 is 42417424.

It can be written as a sum of positive squares in only one way, i.e., 26214400 + 16257024 = 5120^2 + 4032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42471392 and 42471401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089 + ... + 9280.

Almost surely, 2^42471424 is an apocalyptic number.

It is an amenable number.

42471424 is a deficient number, since it is larger than the sum of its proper divisors (42469246).

42471424 is an equidigital number, since it uses as much as digits as its factorization.

42471424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393 (or 10371 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 42471424 is about 6517.0103575182. The cubic root of 42471424 is about 348.8983702570.

Adding to 42471424 its reverse (42417424), we get a palindrome (84888848).

It can be divided in two parts, 4247 and 1424, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 42471424 in words is "forty-two million, four hundred seventy-one thousand, four hundred twenty-four".