30381886540 has 48 divisors (see below), whose sum is σ = 69475845600. Its totient is φ = 11116127232.

The previous prime is 30381886529. The next prime is 30381886541. The reversal of 30381886540 is 4568818303.

It is not an unprimeable number, because it can be changed into a prime (30381886541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1367469 + ... + 1389508.

It is an arithmetic number, because the mean of its divisors is an integer number (1447413450).

Almost surely, 2^30381886540 is an apocalyptic number.

It is an amenable number.

30381886540 is an abundant number, since it is smaller than the sum of its proper divisors (39093959060).

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

30381886540 is a wasteful number, since it uses less digits than its factorization.

30381886540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757034 (or 2757032 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 30381886540 in words is "thirty billion, three hundred eighty-one million, eight hundred eighty-six thousand, five hundred forty".