30142044204240 has 80 divisors (see below), whose sum is σ = 93561217734528. Its totient is φ = 8027480114688.

The previous prime is 30142044204163. The next prime is 30142044204253. The reversal of 30142044204240 is 4240244024103.

30142044204240 is digitally balanced in base 5 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30142044204198 and 30142044204207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81051124 + ... + 81422163.

Almost surely, 2^{30142044204240} is an apocalyptic number.

30142044204240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30142044204240 is an abundant number, since it is smaller than the sum of its proper divisors (63419173530288).

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

30142044204240 is a wasteful number, since it uses less digits than its factorization.

30142044204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162474076 (or 162474070 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 30142044204240 its reverse (4240244024103), we get a palindrome (34382288228343).

The spelling of 30142044204240 in words is "thirty trillion, one hundred forty-two billion, forty-four million, two hundred four thousand, two hundred forty".