45440105420 has 24 divisors (see below), whose sum is σ = 95504258304. Its totient is φ = 18160797056.

The previous prime is 45440105419. The next prime is 45440105429. The reversal of 45440105420 is 2450104454.

It is not an unprimeable number, because it can be changed into a prime (45440105429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928364 + ... + 976083.

It is an arithmetic number, because the mean of its divisors is an integer number (3979344096).

Almost surely, 2^45440105420 is an apocalyptic number.

It is an amenable number.

45440105420 is an abundant number, since it is smaller than the sum of its proper divisors (50064152884).

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

45440105420 is a wasteful number, since it uses less digits than its factorization.

45440105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905649 (or 1905647 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 45440105420 its reverse (2450104454), we get a palindrome (47890209874).

The spelling of 45440105420 in words is "forty-five billion, four hundred forty million, one hundred five thousand, four hundred twenty".