30252406064140 has 96 divisors (see below), whose sum is σ = 70597264457664. Its totient is φ = 10818131619840.

The previous prime is 30252406064131. The next prime is 30252406064141. The reversal of 30252406064140 is 4146060425203.

It is a super-2 number, since 2×30252406064140² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30252406064140.

It is not an unprimeable number, because it can be changed into a prime (30252406064141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8897014 + ... + 11817853.

It is an arithmetic number, because the mean of its divisors is an integer number (735388171434).

Almost surely, 2^{30252406064140} is an apocalyptic number.

It is an amenable number.

30252406064140 is an abundant number, since it is smaller than the sum of its proper divisors (40344858393524).

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

30252406064140 is a wasteful number, since it uses less digits than its factorization.

30252406064140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20715067 (or 20715065 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 30252406064140 its reverse (4146060425203), we get a palindrome (34398466489343).

The spelling of 30252406064140 in words is "thirty trillion, two hundred fifty-two billion, four hundred six million, sixty-four thousand, one hundred forty".