30440134434541 has 8 divisors (see below), whose sum is σ = 32786807866904. Its totient is φ = 28094193092160.

The previous prime is 30440134434503. The next prime is 30440134434551. The reversal of 30440134434541 is 14543443104403.

It can be written as a sum of positive squares in 4 ways, for example, as 2020349532100 + 28419784902441 = 1421390^2 + 5331021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30440134434541 - 2¹³ = 30440134426349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30440134434494 and 30440134434503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440134434551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182936130 + ... + 183102451.

It is an arithmetic number, because the mean of its divisors is an integer number (4098350983363).

Almost surely, 2^{30440134434541} is an apocalyptic number.

It is an amenable number.

30440134434541 is a deficient number, since it is larger than the sum of its proper divisors (2346673432363).

30440134434541 is a wasteful number, since it uses less digits than its factorization.

30440134434541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366044991.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 30440134434541 its reverse (14543443104403), we get a palindrome (44983577538944).

The spelling of 30440134434541 in words is "thirty trillion, four hundred forty billion, one hundred thirty-four million, four hundred thirty-four thousand, five hundred forty-one".