30522443540 has 24 divisors (see below), whose sum is σ = 64159224360. Its totient is φ = 12197150208.

The previous prime is 30522443519. The next prime is 30522443551. The reversal of 30522443540 is 4534422503.

It can be written as a sum of positive squares in 4 ways, for example, as 12980500624 + 17541942916 = 113932^2 + 132446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30522443497 and 30522443506.

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 7 ways as a sum of consecutive naturals, for example, 718025 + ... + 759344.

It is an arithmetic number, because the mean of its divisors is an integer number (2673301015).

Almost surely, 2^30522443540 is an apocalyptic number.

It is an amenable number.

30522443540 is an abundant number, since it is smaller than the sum of its proper divisors (33636780820).

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

30522443540 is a wasteful number, since it uses less digits than its factorization.

30522443540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478411 (or 1478409 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 30522443540 in words is "thirty billion, five hundred twenty-two million, four hundred forty-three thousand, five hundred forty".