30438630140 has 12 divisors (see below), whose sum is σ = 63921123336. Its totient is φ = 12175452048.

The previous prime is 30438630139. The next prime is 30438630191. The reversal of 30438630140 is 4103683403.

It is a junction number, because it is equal to n+sod(n) for n = 30438630097 and 30438630106.

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 3 ways as a sum of consecutive naturals, for example, 760965734 + ... + 760965773.

It is an arithmetic number, because the mean of its divisors is an integer number (5326760278).

Almost surely, 2^30438630140 is an apocalyptic number.

It is an amenable number.

30438630140 is an abundant number, since it is smaller than the sum of its proper divisors (33482493196).

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

30438630140 is a wasteful number, since it uses less digits than its factorization.

30438630140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521931516 (or 1521931514 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 30438630140 in words is "thirty billion, four hundred thirty-eight million, six hundred thirty thousand, one hundred forty".