45440223042 has 16 divisors (see below), whose sum is σ = 91762781760. Its totient is φ = 14999685072.

The previous prime is 45440223041. The next prime is 45440223067. The reversal of 45440223042 is 24032204454.

It is not an unprimeable number, because it can be changed into a prime (45440223041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36763317 + ... + 36764552.

It is an arithmetic number, because the mean of its divisors is an integer number (5735173860).

Almost surely, 2^45440223042 is an apocalyptic number.

45440223042 is an abundant number, since it is smaller than the sum of its proper divisors (46322558718).

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

45440223042 is a wasteful number, since it uses less digits than its factorization.

45440223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73527977.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 45440223042 its reverse (24032204454), we get a palindrome (69472427496).

The spelling of 45440223042 in words is "forty-five billion, four hundred forty million, two hundred twenty-three thousand, forty-two".