44527209021 has 12 divisors (see below), whose sum is σ = 64748739900. Its totient is φ = 29485578240.

The previous prime is 44527208983. The next prime is 44527209031. The reversal of 44527209021 is 12090272544.

44527209021 is a `hidden beast` number, since 4 + 4 + 527 + 20 + 90 + 21 = 666.

44527209021 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 7965562500 + 36561646521 = 89250^2 + 191211^2 .

It is not a de Polignac number, because 44527209021 - 2⁷ = 44527208893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44527209031) 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, 16600900 + ... + 16603581.

It is an arithmetic number, because the mean of its divisors is an integer number (5395728325).

Almost surely, 2^44527209021 is an apocalyptic number.

It is an amenable number.

44527209021 is a deficient number, since it is larger than the sum of its proper divisors (20221530879).

44527209021 is a wasteful number, since it uses less digits than its factorization.

44527209021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33204636 (or 33204633 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 44527209021 in words is "forty-four billion, five hundred twenty-seven million, two hundred nine thousand, twenty-one".