42788026 has 8 divisors (see below), whose sum is σ = 64385460. Its totient is φ = 21326208.

The previous prime is 42788003. The next prime is 42788033. The reversal of 42788026 is 62088724.

42788026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28355625 + 14432401 = 5325^2 + 3799^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 33111 + ... + 34378.

Almost surely, 2^42788026 is an apocalyptic number.

42788026 is a deficient number, since it is larger than the sum of its proper divisors (21597434).

42788026 is a wasteful number, since it uses less digits than its factorization.

42788026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67808.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 42788026 is about 6541.2556898504. The cubic root of 42788026 is about 349.7631758458.

The spelling of 42788026 in words is "forty-two million, seven hundred eighty-eight thousand, twenty-six".