44007287876721 has 12 divisors (see below), whose sum is σ = 68455781141748. Its totient is φ = 27081407924064.

The previous prime is 44007287876707. The next prime is 44007287876749. The reversal of 44007287876721 is 12767878270044.

44007287876721 is a `hidden beast` number, since 4 + 400 + 7 + 2 + 87 + 87 + 6 + 72 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20863837613025 + 23143450263696 = 4567695^2 + 4810764^2 .

It is not a de Polignac number, because 44007287876721 - 2¹⁴ = 44007287860337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44007287876771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188065332690 + ... + 188065332923.

It is an arithmetic number, because the mean of its divisors is an integer number (5704648428479).

Almost surely, 2^{44007287876721} is an apocalyptic number.

It is an amenable number.

44007287876721 is a deficient number, since it is larger than the sum of its proper divisors (24448493265027).

44007287876721 is a wasteful number, since it uses less digits than its factorization.

44007287876721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376130665632 (or 376130665629 counting only the distinct ones).

The product of its (nonzero) digits is 59006976, while the sum is 63.

The spelling of 44007287876721 in words is "forty-four trillion, seven billion, two hundred eighty-seven million, eight hundred seventy-six thousand, seven hundred twenty-one".