42048442 has 4 divisors (see below), whose sum is σ = 63072666. Its totient is φ = 21024220.

The previous prime is 42048427. The next prime is 42048467. The reversal of 42048442 is 24484024.

42048442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 28291761 + 13756681 = 5319^2 + 3709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42048442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512109 + ... + 10512112.

Almost surely, 2^42048442 is an apocalyptic number.

42048442 is a deficient number, since it is larger than the sum of its proper divisors (21024224).

42048442 is a wasteful number, since it uses less digits than its factorization.

42048442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024223.

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

The square root of 42048442 is about 6484.4770028122. The cubic root of 42048442 is about 347.7362525732.

The spelling of 42048442 in words is "forty-two million, forty-eight thousand, four hundred forty-two".