42448402 has 8 divisors (see below), whose sum is σ = 65868300. Its totient is φ = 20492304.

The previous prime is 42448387. The next prime is 42448403. The reversal of 42448402 is 20484424.

It can be written as a sum of positive squares in 2 ways, for example, as 38452401 + 3996001 = 6201^2 + 1999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42448403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365877 + ... + 365992.

Almost surely, 2^42448402 is an apocalyptic number.

42448402 is a deficient number, since it is larger than the sum of its proper divisors (23419898).

42448402 is a wasteful number, since it uses less digits than its factorization.

42448402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731900.

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 42448402 is about 6515.2438173870. The cubic root of 42448402 is about 348.8353177439.

The spelling of 42448402 in words is "forty-two million, four hundred forty-eight thousand, four hundred two".