30140055120 has 160 divisors (see below), whose sum is σ = 106958654208. Its totient is φ = 6877753344.

The previous prime is 30140055119. The next prime is 30140055137. The reversal of 30140055120 is 2155004103.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 1022022 + ... + 1051098.

Almost surely, 2^30140055120 is an apocalyptic number.

30140055120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30140055120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53479327104).

30140055120 is an abundant number, since it is smaller than the sum of its proper divisors (76818599088).

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

30140055120 is a wasteful number, since it uses less digits than its factorization.

30140055120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29717 (or 29711 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 30140055120 its reverse (2155004103), we get a palindrome (32295059223).

The spelling of 30140055120 in words is "thirty billion, one hundred forty million, fifty-five thousand, one hundred twenty".