5205445000 has 80 divisors (see below), whose sum is σ = 13938788160. Its totient is φ = 1784712000.

The previous prime is 5205444997. The next prime is 5205445001. The reversal of 5205445000 is 5445025.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (5205445001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39364 + ... + 109363.

It is an arithmetic number, because the mean of its divisors is an integer number (174234852).

Almost surely, 2^5205445000 is an apocalyptic number.

5205445000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5205445000 is an abundant number, since it is smaller than the sum of its proper divisors (8733343160).

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

5205445000 is a wasteful number, since it uses less digits than its factorization.

5205445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148760 (or 148741 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5205445000 is about 72148.7699132840. The cubic root of 5205445000 is about 1733.0827012697.

Adding to 5205445000 its sum of digits (25), we get a palindrome (5205445025).

The spelling of 5205445000 in words is "five billion, two hundred five million, four hundred forty-five thousand".