36728209380 has 24 divisors (see below), whose sum is σ = 102838986432. Its totient is φ = 9794189152.

The previous prime is 36728209363. The next prime is 36728209409. The reversal of 36728209380 is 8390282763.

It is a happy number.

It is a super-2 number, since 2×36728209380² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306068352 + ... + 306068471.

It is an arithmetic number, because the mean of its divisors is an integer number (4284957768).

Almost surely, 2^36728209380 is an apocalyptic number.

36728209380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36728209380 is an abundant number, since it is smaller than the sum of its proper divisors (66110777052).

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

36728209380 is a wasteful number, since it uses less digits than its factorization.

36728209380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612136835 (or 612136833 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 36728209380 in words is "thirty-six billion, seven hundred twenty-eight million, two hundred nine thousand, three hundred eighty".