36534551040 has 400 divisors, whose sum is σ = 140931401688. Its totient is φ = 8992456704.

The previous prime is 36534551017. The next prime is 36534551047. The reversal of 36534551040 is 4015543563.

36534551040 is a `hidden beast` number, since 3 + 65 + 3 + 4 + 551 + 0 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27854274816 + 8680276224 = 166896^2 + 93168^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 36534550986 and 36534551004.

It is not an unprimeable number, because it can be changed into a prime (36534551047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2688904 + ... + 2702456.

Almost surely, 2^36534551040 is an apocalyptic number.

36534551040 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 36534551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70465700844).

36534551040 is an abundant number, since it is smaller than the sum of its proper divisors (104396850648).

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

36534551040 is a wasteful number, since it uses less digits than its factorization.

36534551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601 (or 13576 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 36534551040 in words is "thirty-six billion, five hundred thirty-four million, five hundred fifty-one thousand, forty".