44452251541 has 4 divisors (see below), whose sum is σ = 44845634412. Its totient is φ = 44058868672.

The previous prime is 44452251539. The next prime is 44452251581. The reversal of 44452251541 is 14515225444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23930543025 + 20521708516 = 154695^2 + 143254^2 .

It is a cyclic number.

It is not a de Polignac number, because 44452251541 - 2¹ = 44452251539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44452251541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44452251581) 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 3 ways as a sum of consecutive naturals, for example, 196691266 + ... + 196691491.

It is an arithmetic number, because the mean of its divisors is an integer number (11211408603).

Almost surely, 2^44452251541 is an apocalyptic number.

It is an amenable number.

44452251541 is a deficient number, since it is larger than the sum of its proper divisors (393382871).

44452251541 is a wasteful number, since it uses less digits than its factorization.

44452251541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393382870.

The product of its digits is 128000, while the sum is 37.

Adding to 44452251541 its reverse (14515225444), we get a palindrome (58967476985).

The spelling of 44452251541 in words is "forty-four billion, four hundred fifty-two million, two hundred fifty-one thousand, five hundred forty-one".