424636042 has 4 divisors (see below), whose sum is σ = 636954066. Its totient is φ = 212318020.

The previous prime is 424636031. The next prime is 424636063. The reversal of 424636042 is 240636424.

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

It can be written as a sum of positive squares in only one way, i.e., 274598041 + 150038001 = 16571^2 + 12249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424635995 and 424636013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106159009 + ... + 106159012.

Almost surely, 2^424636042 is an apocalyptic number.

424636042 is a deficient number, since it is larger than the sum of its proper divisors (212318024).

424636042 is a wasteful number, since it uses less digits than its factorization.

424636042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212318023.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 424636042 is about 20606.6989593190. The cubic root of 424636042 is about 751.6326165426.

The spelling of 424636042 in words is "four hundred twenty-four million, six hundred thirty-six thousand, forty-two".