30040042301142 has 32 divisors (see below), whose sum is σ = 61704368000352. Its totient is φ = 9742637896704.

The previous prime is 30040042301023. The next prime is 30040042301147. The reversal of 30040042301142 is 24110324004003.

It is a super-2 number, since 2×30040042301142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040042301147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31218118 + ... + 32165990.

It is an arithmetic number, because the mean of its divisors is an integer number (1928261500011).

Almost surely, 2^{30040042301142} is an apocalyptic number.

30040042301142 is an abundant number, since it is smaller than the sum of its proper divisors (31664325699210).

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

30040042301142 is a wasteful number, since it uses less digits than its factorization.

30040042301142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090672.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30040042301142 its reverse (24110324004003), we get a palindrome (54150366305145).

The spelling of 30040042301142 in words is "thirty trillion, forty billion, forty-two million, three hundred one thousand, one hundred forty-two".