44006778 has 24 divisors (see below), whose sum is σ = 100957428. Its totient is φ = 13805952.

The previous prime is 44006777. The next prime is 44006779. The reversal of 44006778 is 87760044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44006777) and next prime (44006779).

It can be written as a sum of positive squares in 2 ways, for example, as 41563809 + 2442969 = 6447^2 + 1563^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44006771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71601 + ... + 72212.

Almost surely, 2^44006778 is an apocalyptic number.

44006778 is an abundant number, since it is smaller than the sum of its proper divisors (56950650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44006778 is a wasteful number, since it uses less digits than its factorization.

44006778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143838 (or 143835 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 44006778 is about 6633.7604720098. The cubic root of 44006778 is about 353.0529604057.

The spelling of 44006778 in words is "forty-four million, six thousand, seven hundred seventy-eight".