30142401340420 has 12 divisors (see below), whose sum is σ = 63299042814924. Its totient is φ = 12056960536160.

The previous prime is 30142401340411. The next prime is 30142401340427. The reversal of 30142401340420 is 2404310424103.

It can be written as a sum of positive squares in 2 ways, for example, as 16933290840064 + 13209110500356 = 4115008^2 + 3634434^2 .

It is not an unprimeable number, because it can be changed into a prime (30142401340427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753560033491 + ... + 753560033530.

It is an arithmetic number, because the mean of its divisors is an integer number (5274920234577).

Almost surely, 2^{30142401340420} is an apocalyptic number.

It is an amenable number.

30142401340420 is an abundant number, since it is smaller than the sum of its proper divisors (33156641474504).

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

30142401340420 is a wasteful number, since it uses less digits than its factorization.

30142401340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507120067030 (or 1507120067028 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30142401340420 its reverse (2404310424103), we get a palindrome (32546711764523).

The spelling of 30142401340420 in words is "thirty trillion, one hundred forty-two billion, four hundred one million, three hundred forty thousand, four hundred twenty".