44961138 has 24 divisors (see below), whose sum is σ = 98753148. Its totient is φ = 14781312.

The previous prime is 44961131. The next prime is 44961139. The reversal of 44961138 is 83116944.

44961138 is a `hidden beast` number, since 4 + 4 + 9 + 611 + 38 = 666.

44961138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 4549689 = 6357^2 + 2133^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44961131) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15795 + ... + 18422.

Almost surely, 2^44961138 is an apocalyptic number.

44961138 is an abundant number, since it is smaller than the sum of its proper divisors (53792010).

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

44961138 is a wasteful number, since it uses less digits than its factorization.

44961138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34298 (or 34295 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 44961138 is about 6705.3067043947. The cubic root of 44961138 is about 355.5869098579.

The spelling of 44961138 in words is "forty-four million, nine hundred sixty-one thousand, one hundred thirty-eight".