30340121553405 has 24 divisors (see below), whose sum is σ = 52590296812248. Its totient is φ = 16181166535296.

The previous prime is 30340121553349. The next prime is 30340121553437. The reversal of 30340121553405 is 50435512104303.

30340121553405 is a `hidden beast` number, since 3 + 0 + 3 + 40 + 1 + 21 + 553 + 40 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3746988689796 + 26593132863609 = 1935714^2 + 5156853^2 .

It is not a de Polignac number, because 30340121553405 - 2⁸ = 30340121553149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30340121553405.

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, 1623582 + ... + 7957151.

It is an arithmetic number, because the mean of its divisors is an integer number (2191262367177).

Almost surely, 2^{30340121553405} is an apocalyptic number.

It is an amenable number.

30340121553405 is a deficient number, since it is larger than the sum of its proper divisors (22250175258843).

30340121553405 is a wasteful number, since it uses less digits than its factorization.

30340121553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651117 (or 9651114 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 30340121553405 its reverse (50435512104303), we get a palindrome (80775633657708).

The spelling of 30340121553405 in words is "thirty trillion, three hundred forty billion, one hundred twenty-one million, five hundred fifty-three thousand, four hundred five".