30526857144 has 96 divisors (see below), whose sum is σ = 94622268000. Its totient is φ = 8709555456.

The previous prime is 30526857139. The next prime is 30526857191. The reversal of 30526857144 is 44175862503.

30526857144 is a `hidden beast` number, since 3 + 0 + 526 + 85 + 7 + 1 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30526857144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314622 + ... + 400050.

It is an arithmetic number, because the mean of its divisors is an integer number (985648625).

Almost surely, 2^30526857144 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 30526857144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47311134000).

30526857144 is an abundant number, since it is smaller than the sum of its proper divisors (64095410856).

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

30526857144 is a wasteful number, since it uses less digits than its factorization.

30526857144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86157 (or 86150 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 30526857144 in words is "thirty billion, five hundred twenty-six million, eight hundred fifty-seven thousand, one hundred forty-four".