30541443440 has 20 divisors (see below), whose sum is σ = 71008856184. Its totient is φ = 12216577344.

The previous prime is 30541443437. The next prime is 30541443463. The reversal of 30541443440 is 4434414503.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 30541443397 and 30541443406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190883942 + ... + 190884101.

Almost surely, 2^30541443440 is an apocalyptic number.

It is an amenable number.

30541443440 is an abundant number, since it is smaller than the sum of its proper divisors (40467412744).

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

30541443440 is a wasteful number, since it uses less digits than its factorization.

30541443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381768056 (or 381768050 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 30541443440 its reverse (4434414503), we get a palindrome (34975857943).

The spelling of 30541443440 in words is "thirty billion, five hundred forty-one million, four hundred forty-three thousand, four hundred forty".