30557959989544 has 128 divisors (see below), whose sum is σ = 63861494860800. Its totient is φ = 13612857016320.

The previous prime is 30557959989503. The next prime is 30557959989563. The reversal of 30557959989544 is 44598995975503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4379810184 + ... + 4379817160.

It is an arithmetic number, because the mean of its divisors is an integer number (498917928600).

Almost surely, 2^{30557959989544} 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 30557959989544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31930747430400).

30557959989544 is an abundant number, since it is smaller than the sum of its proper divisors (33303534871256).

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

30557959989544 is a wasteful number, since it uses less digits than its factorization.

30557959989544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 11022480000, while the sum is 82.

The spelling of 30557959989544 in words is "thirty trillion, five hundred fifty-seven billion, nine hundred fifty-nine million, nine hundred eighty-nine thousand, five hundred forty-four".