30052143540 has 36 divisors (see below), whose sum is σ = 91158169284. Its totient is φ = 8013904896.

The previous prime is 30052143479. The next prime is 30052143557. The reversal of 30052143540 is 4534125003.

30052143540 is a `hidden beast` number, since 30 + 0 + 52 + 1 + 43 + 540 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22921354404 + 7130789136 = 151398^2 + 84444^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83477997 + ... + 83478356.

It is an arithmetic number, because the mean of its divisors is an integer number (2532171369).

Almost surely, 2^30052143540 is an apocalyptic number.

30052143540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30052143540 is an abundant number, since it is smaller than the sum of its proper divisors (61106025744).

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

30052143540 is a wasteful number, since it uses less digits than its factorization.

30052143540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166956368 (or 166956363 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30052143540 its reverse (4534125003), we get a palindrome (34586268543).

The spelling of 30052143540 in words is "thirty billion, fifty-two million, one hundred forty-three thousand, five hundred forty".