44478261 has 16 divisors (see below), whose sum is σ = 66137920. Its totient is φ = 29542320.

The previous prime is 44478253. The next prime is 44478263. The reversal of 44478261 is 16287444.

It is not a de Polignac number, because 44478261 - 2³ = 44478253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44478263) 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, 4731 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (4133620).

Almost surely, 2^44478261 is an apocalyptic number.

It is an amenable number.

44478261 is a deficient number, since it is larger than the sum of its proper divisors (21659659).

44478261 is a wasteful number, since it uses less digits than its factorization.

44478261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113 (or 6107 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 44478261 is about 6669.2024260776. The cubic root of 44478261 is about 354.3093389166.

The spelling of 44478261 in words is "forty-four million, four hundred seventy-eight thousand, two hundred sixty-one".