44073132381 has 48 divisors (see below), whose sum is σ = 68134809600. Its totient is φ = 27386051616.

The previous prime is 44073132377. The next prime is 44073132401. The reversal of 44073132381 is 18323137044.

44073132381 is a `hidden beast` number, since 4 + 407 + 3 + 13 + 238 + 1 = 666.

44073132381 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 44073132381 - 2² = 44073132377 is a prime.

It is a super-2 number, since 2×44073132381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44073132361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3901900 + ... + 3913178.

It is an arithmetic number, because the mean of its divisors is an integer number (1419475200).

Almost surely, 2^44073132381 is an apocalyptic number.

It is an amenable number.

44073132381 is a deficient number, since it is larger than the sum of its proper divisors (24061677219).

44073132381 is a wasteful number, since it uses less digits than its factorization.

44073132381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790 (or 11787 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 44073132381 in words is "forty-four billion, seventy-three million, one hundred thirty-two thousand, three hundred eighty-one".