36647227520 has 64 divisors (see below), whose sum is σ = 87976713600. Its totient is φ = 14597495808.

The previous prime is 36647227483. The next prime is 36647227523. The reversal of 36647227520 is 2572274663.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (36647227523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33167 + ... + 272753.

It is an arithmetic number, because the mean of its divisors is an integer number (1374636150).

Almost surely, 2^36647227520 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 36647227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43988356800).

36647227520 is an abundant number, since it is smaller than the sum of its proper divisors (51329486080).

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

36647227520 is a wasteful number, since it uses less digits than its factorization.

36647227520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239845 (or 239833 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 36647227520 in words is "thirty-six billion, six hundred forty-seven million, two hundred twenty-seven thousand, five hundred twenty".