8490540045 has 64 divisors (see below), whose sum is σ = 15322535424. Its totient is φ = 3983400960.

The previous prime is 8490540031. The next prime is 8490540049. The reversal of 8490540045 is 5400450948.

It is not a de Polignac number, because 8490540045 - 2⁷ = 8490539917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 8490539985 and 8490540012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490540049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1256917 + ... + 1263653.

It is an arithmetic number, because the mean of its divisors is an integer number (239414616).

Almost surely, 2^8490540045 is an apocalyptic number.

It is an amenable number.

8490540045 is a deficient number, since it is larger than the sum of its proper divisors (6831995379).

8490540045 is a wasteful number, since it uses less digits than its factorization.

8490540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 8490540045 is about 92144.1264812902. The cubic root of 8490540045 is about 2040.0701665120.

The spelling of 8490540045 in words is "eight billion, four hundred ninety million, five hundred forty thousand, forty-five".