44754508521 has 12 divisors (see below), whose sum is σ = 65079264900. Its totient is φ = 29636094240.

The previous prime is 44754508483. The next prime is 44754508543. The reversal of 44754508521 is 12580545744.

44754508521 is a `hidden beast` number, since 4 + 4 + 7 + 545 + 0 + 85 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5574264921 + 39180243600 = 74661^2 + 197940^2 .

It is not a de Polignac number, because 44754508521 - 2¹⁴ = 44754492137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44754500521) 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, 16685650 + ... + 16688331.

It is an arithmetic number, because the mean of its divisors is an integer number (5423272075).

Almost surely, 2^44754508521 is an apocalyptic number.

It is an amenable number.

44754508521 is a deficient number, since it is larger than the sum of its proper divisors (20324756379).

44754508521 is a wasteful number, since it uses less digits than its factorization.

44754508521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374136 (or 33374133 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 44754508521 in words is "forty-four billion, seven hundred fifty-four million, five hundred eight thousand, five hundred twenty-one".