4450537540 has 24 divisors (see below), whose sum is σ = 9394562520. Its totient is φ = 1770989568.

The previous prime is 4450537477. The next prime is 4450537543. The reversal of 4450537540 is 457350544.

It can be written as a sum of positive squares in 4 ways, for example, as 54051904 + 4396485636 = 7352^2 + 66306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4450537540.

It is not an unprimeable number, because it can be changed into a prime (4450537543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572635 + ... + 580354.

It is an arithmetic number, because the mean of its divisors is an integer number (391440105).

Almost surely, 2^4450537540 is an apocalyptic number.

It is an amenable number.

4450537540 is an abundant number, since it is smaller than the sum of its proper divisors (4944024980).

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

4450537540 is a wasteful number, since it uses less digits than its factorization.

4450537540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153191 (or 1153189 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 4450537540 is about 66712.3492316078. The cubic root of 4450537540 is about 1644.8923830892.

The spelling of 4450537540 in words is "four billion, four hundred fifty million, five hundred thirty-seven thousand, five hundred forty".