30240122140 has 24 divisors (see below), whose sum is σ = 63540973440. Its totient is φ = 12089055168.

The previous prime is 30240122131. The next prime is 30240122191. The reversal of 30240122140 is 4122104203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401580 + ... + 470899.

It is an arithmetic number, because the mean of its divisors is an integer number (2647540560).

Almost surely, 2^30240122140 is an apocalyptic number.

It is an amenable number.

30240122140 is an abundant number, since it is smaller than the sum of its proper divisors (33300851300).

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

30240122140 is a wasteful number, since it uses less digits than its factorization.

30240122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874221 (or 874219 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30240122140 its reverse (4122104203), we get a palindrome (34362226343).

The spelling of 30240122140 in words is "thirty billion, two hundred forty million, one hundred twenty-two thousand, one hundred forty".