36840579720 has 256 divisors, whose sum is σ = 133275801600. Its totient is φ = 7958476800.

The previous prime is 36840579697. The next prime is 36840579749. The reversal of 36840579720 is 2797504863.

It is a Cunningham number, because it is equal to 191939²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7291195 + ... + 7296245.

It is an arithmetic number, because the mean of its divisors is an integer number (520608600).

Almost surely, 2^36840579720 is an apocalyptic number.

36840579720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36840579720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66637900800).

36840579720 is an abundant number, since it is smaller than the sum of its proper divisors (96435221880).

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

36840579720 is a wasteful number, since it uses less digits than its factorization.

36840579720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5544 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 36840579720 in words is "thirty-six billion, eight hundred forty million, five hundred seventy-nine thousand, seven hundred twenty".