45444787500 has 288 divisors, whose sum is σ = 155600040960. Its totient is φ = 10104480000.

The previous prime is 45444787477. The next prime is 45444787501. The reversal of 45444787500 is 578744454.

It is a self number, because there is not a number n which added to its sum of digits gives 45444787500.

It is not an unprimeable number, because it can be changed into a prime (45444787501) 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 95 ways as a sum of consecutive naturals, for example, 9710161 + ... + 9714839.

It is an arithmetic number, because the mean of its divisors is an integer number (540277920).

Almost surely, 2^45444787500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45444787500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77800020480).

45444787500 is an abundant number, since it is smaller than the sum of its proper divisors (110155253460).

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

45444787500 is a wasteful number, since it uses less digits than its factorization.

45444787500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 45444787500 in words is "forty-five billion, four hundred forty-four million, seven hundred eighty-seven thousand, five hundred".