45444250020 has 48 divisors (see below), whose sum is σ = 137031894720. Its totient is φ = 11186276736.

The previous prime is 45444249997. The next prime is 45444250037. The reversal of 45444250020 is 2005244454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 45444250020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29130150 + ... + 29131709.

It is an arithmetic number, because the mean of its divisors is an integer number (2854831140).

Almost surely, 2^45444250020 is an apocalyptic number.

It is an amenable number.

45444250020 is an abundant number, since it is smaller than the sum of its proper divisors (91587644700).

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

45444250020 is a wasteful number, since it uses less digits than its factorization.

45444250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58261884 (or 58261882 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 45444250020 its reverse (2005244454), we get a palindrome (47449494474).

The spelling of 45444250020 in words is "forty-five billion, four hundred forty-four million, two hundred fifty thousand, twenty".