45022421444 has 192 divisors, whose sum is σ = 112628662272. Its totient is φ = 15155251200.

The previous prime is 45022421441. The next prime is 45022421453. The reversal of 45022421444 is 44412422054.

45022421444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45022421444.

It is not an unprimeable number, because it can be changed into a prime (45022421441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12999257 + ... + 13002719.

It is an arithmetic number, because the mean of its divisors is an integer number (586607616).

Almost surely, 2^45022421444 is an apocalyptic number.

45022421444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45022421444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56314331136).

45022421444 is an abundant number, since it is smaller than the sum of its proper divisors (67606240828).

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

45022421444 is a wasteful number, since it uses less digits than its factorization.

45022421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 45022421444 its reverse (44412422054), we get a palindrome (89434843498).

The spelling of 45022421444 in words is "forty-five billion, twenty-two million, four hundred twenty-one thousand, four hundred forty-four".