30544161445020 has 72 divisors (see below), whose sum is σ = 88574436450864. Its totient is φ = 7864243853312.

The previous prime is 30544161445003. The next prime is 30544161445051. The reversal of 30544161445020 is 2054416144503.

It is a self number, because there is not a number n which added to its sum of digits gives 30544161445020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302606709 + ... + 302707628.

It is an arithmetic number, because the mean of its divisors is an integer number (1230200506262).

Almost surely, 2^{30544161445020} is an apocalyptic number.

30544161445020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30544161445020 is an abundant number, since it is smaller than the sum of its proper divisors (58030275005844).

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

30544161445020 is a wasteful number, since it uses less digits than its factorization.

30544161445020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605314407 (or 605314376 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 30544161445020 its reverse (2054416144503), we get a palindrome (32598577589523).

The spelling of 30544161445020 in words is "thirty trillion, five hundred forty-four billion, one hundred sixty-one million, four hundred forty-five thousand, twenty".