44400478749 has 16 divisors (see below), whose sum is σ = 64815677760. Its totient is φ = 26812229760.

The previous prime is 44400478747. The next prime is 44400478753. The reversal of 44400478749 is 94787400444.

44400478749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44400478749 - 2¹ = 44400478747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400478747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419504 + ... + 2437785.

It is an arithmetic number, because the mean of its divisors is an integer number (4050979860).

Almost surely, 2^44400478749 is an apocalyptic number.

It is an amenable number.

44400478749 is a deficient number, since it is larger than the sum of its proper divisors (20415199011).

44400478749 is a wasteful number, since it uses less digits than its factorization.

44400478749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857580.

The product of its (nonzero) digits is 3612672, while the sum is 51.

It can be divided in two parts, 444004 and 78749, that added together give a triangular number (522753 = T₁₀₂₂).

The spelling of 44400478749 in words is "forty-four billion, four hundred million, four hundred seventy-eight thousand, seven hundred forty-nine".