44780451133 has 12 divisors (see below), whose sum is σ = 49235363100. Its totient is φ = 40698025280.

The previous prime is 44780451119. The next prime is 44780451137. The reversal of 44780451133 is 33115408744.

It can be written as a sum of positive squares in 2 ways, for example, as 34940207929 + 9840243204 = 186923^2 + 99198^2 .

It is not a de Polignac number, because 44780451133 - 2²¹ = 44778353981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44780451137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394593 + ... + 495241.

It is an arithmetic number, because the mean of its divisors is an integer number (4102946925).

Almost surely, 2^44780451133 is an apocalyptic number.

It is an amenable number.

44780451133 is a deficient number, since it is larger than the sum of its proper divisors (4454911967).

44780451133 is a wasteful number, since it uses less digits than its factorization.

44780451133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104348 (or 104337 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 44780451133 its reverse (33115408744), we get a palindrome (77895859877).

The spelling of 44780451133 in words is "forty-four billion, seven hundred eighty million, four hundred fifty-one thousand, one hundred thirty-three".