36550433128 has 64 divisors (see below), whose sum is σ = 76831312320. Its totient is φ = 16154611200.

The previous prime is 36550433111. The next prime is 36550433149. The reversal of 36550433128 is 82133405563.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7789263 + ... + 7793953.

It is an arithmetic number, because the mean of its divisors is an integer number (1200489255).

Almost surely, 2^36550433128 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 36550433128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38415656160).

36550433128 is an abundant number, since it is smaller than the sum of its proper divisors (40280879192).

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

36550433128 is a wasteful number, since it uses less digits than its factorization.

36550433128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 36550433128 in words is "thirty-six billion, five hundred fifty million, four hundred thirty-three thousand, one hundred twenty-eight".