44278642 has 8 divisors (see below), whose sum is σ = 70324956. Its totient is φ = 20836992.

The previous prime is 44278627. The next prime is 44278643. The reversal of 44278642 is 24687244.

44278642 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 37933281 + 6345361 = 6159^2 + 2519^2 .

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 (44278643) by changing a digit.

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, 651123 + ... + 651190.

Almost surely, 2^44278642 is an apocalyptic number.

44278642 is a deficient number, since it is larger than the sum of its proper divisors (26046314).

44278642 is a wasteful number, since it uses less digits than its factorization.

44278642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302332.

The product of its digits is 86016, while the sum is 37.

The square root of 44278642 is about 6654.2198641163. The cubic root of 44278642 is about 353.7784957088.

The spelling of 44278642 in words is "forty-four million, two hundred seventy-eight thousand, six hundred forty-two".