30685893552 has 100 divisors (see below), whose sum is σ = 88865301096. Its totient is φ = 10222709760.

The previous prime is 30685893541. The next prime is 30685893577. The reversal of 30685893552 is 25539858603.

30685893552 is a `hidden beast` number, since 3 + 0 + 6 + 8 + 5 + 89 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2621152 + ... + 2632832.

Almost surely, 2^30685893552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30685893552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44432650548).

30685893552 is an abundant number, since it is smaller than the sum of its proper divisors (58179407544).

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

30685893552 is a wasteful number, since it uses less digits than its factorization.

30685893552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 30685893552 in words is "thirty billion, six hundred eighty-five million, eight hundred ninety-three thousand, five hundred fifty-two".