44909378 has 4 divisors (see below), whose sum is σ = 67364070. Its totient is φ = 22454688.

The previous prime is 44909377. The next prime is 44909383. The reversal of 44909378 is 87390944.

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., 32638369 + 12271009 = 5713^2 + 3503^2 .

It is not an unprimeable number, because it can be changed into a prime (44909377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227343 + ... + 11227346.

Almost surely, 2^44909378 is an apocalyptic number.

44909378 is a deficient number, since it is larger than the sum of its proper divisors (22454692).

44909378 is a wasteful number, since it uses less digits than its factorization.

44909378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22454691.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 44909378 is about 6701.4459633724. The cubic root of 44909378 is about 355.4504049667.

The spelling of 44909378 in words is "forty-four million, nine hundred nine thousand, three hundred seventy-eight".