44478778 has 8 divisors (see below), whose sum is σ = 66813120. Its totient is φ = 22207740.

The previous prime is 44478767. The next prime is 44478793. The reversal of 44478778 is 87787444.

44478778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14028 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (8351640).

Almost surely, 2^44478778 is an apocalyptic number.

44478778 is a deficient number, since it is larger than the sum of its proper divisors (22334342).

44478778 is a wasteful number, since it uses less digits than its factorization.

44478778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31652.

The product of its digits is 1404928, while the sum is 49.

The square root of 44478778 is about 6669.2411862220. The cubic root of 44478778 is about 354.3107117012.

It can be divided in two parts, 4447 and 8778, that added together give a square (13225 = 115²).

The spelling of 44478778 in words is "forty-four million, four hundred seventy-eight thousand, seven hundred seventy-eight".