44428761 has 24 divisors (see below), whose sum is σ = 70726656. Its totient is φ = 26701920.

The previous prime is 44428751. The next prime is 44428777. The reversal of 44428761 is 16782444.

It is not a de Polignac number, because 44428761 - 2¹⁷ = 44297689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44428721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616 + ... + 9446.

It is an arithmetic number, because the mean of its divisors is an integer number (2946944).

Almost surely, 2^44428761 is an apocalyptic number.

It is an amenable number.

44428761 is a deficient number, since it is larger than the sum of its proper divisors (26297895).

44428761 is a wasteful number, since it uses less digits than its factorization.

44428761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8893 (or 8890 counting only the distinct ones).

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

The square root of 44428761 is about 6665.4903045462. The cubic root of 44428761 is about 354.1778527924.

It can be divided in two parts, 4442 and 8761, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 44428761 in words is "forty-four million, four hundred twenty-eight thousand, seven hundred sixty-one".