30064438881 has 27 divisors (see below), whose sum is σ = 44998088889. Its totient is φ = 19342112832.

The previous prime is 30064438847. The next prime is 30064438889. The reversal of 30064438881 is 18883446003.

The square root of 30064438881 is 173391.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2069795025 + 27994643856 = 45495^2 + 167316^2 .

It is not a de Polignac number, because 30064438881 - 2²⁵ = 30030884449 is a prime.

It is a super-2 number, since 2×30064438881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30064438889) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15084021 + ... + 15086013.

Almost surely, 2^30064438881 is an apocalyptic number.

30064438881 is the 173391-st square number.

30064438881 is the 86696-th centered octagonal number.

It is an amenable number.

30064438881 is a deficient number, since it is larger than the sum of its proper divisors (14933650008).

30064438881 is an frugal number, since it uses more digits than its factorization.

30064438881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 30064438881 in words is "thirty billion, sixty-four million, four hundred thirty-eight thousand, eight hundred eighty-one".