30521955416 has 32 divisors (see below), whose sum is σ = 58266190080. Its totient is φ = 14986020000.

The previous prime is 30521955389. The next prime is 30521955427. The reversal of 30521955416 is 61455912503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35525 + ... + 249611.

It is an arithmetic number, because the mean of its divisors is an integer number (1820818440).

Almost surely, 2^30521955416 is an apocalyptic number.

It is an amenable number.

30521955416 is a deficient number, since it is larger than the sum of its proper divisors (27744234664).

30521955416 is a wasteful number, since it uses less digits than its factorization.

30521955416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214415 (or 214411 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 30521955416 in words is "thirty billion, five hundred twenty-one million, nine hundred fifty-five thousand, four hundred sixteen".