30438140382 has 48 divisors (see below), whose sum is σ = 75200121360. Its totient is φ = 8814663936.

The previous prime is 30438140357. The next prime is 30438140417. The reversal of 30438140382 is 28304183403.

It is a happy number.

30438140382 is a `hidden beast` number, since 3 + 0 + 438 + 140 + 3 + 82 = 666.

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 23 ways as a sum of consecutive naturals, for example, 3821832 + ... + 3829787.

It is an arithmetic number, because the mean of its divisors is an integer number (1566669195).

Almost surely, 2^30438140382 is an apocalyptic number.

30438140382 is an abundant number, since it is smaller than the sum of its proper divisors (44761980978).

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

30438140382 is a wasteful number, since it uses less digits than its factorization.

30438140382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651657 (or 7651654 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

It can be divided in two parts, 30438 and 140382, that added together give a triangular number (170820 = T₅₈₄).

The spelling of 30438140382 in words is "thirty billion, four hundred thirty-eight million, one hundred forty thousand, three hundred eighty-two".