36399883536 has 240 divisors, whose sum is σ = 113482736640. Its totient is φ = 10838741760.

The previous prime is 36399883463. The next prime is 36399883543. The reversal of 36399883536 is 63538899363.

36399883536 is a `hidden beast` number, since 3 + 6 + 3 + 9 + 98 + 8 + 3 + 536 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4463815 + ... + 4471961.

It is an arithmetic number, because the mean of its divisors is an integer number (472844736).

Almost surely, 2^36399883536 is an apocalyptic number.

36399883536 is a gapful number since it is divisible by the number (36) 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 36399883536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56741368320).

36399883536 is an abundant number, since it is smaller than the sum of its proper divisors (77082853104).

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

36399883536 is a wasteful number, since it uses less digits than its factorization.

36399883536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274 (or 8265 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 63.

The spelling of 36399883536 in words is "thirty-six billion, three hundred ninety-nine million, eight hundred eighty-three thousand, five hundred thirty-six".