36037840 has 20 divisors (see below), whose sum is σ = 83788164. Its totient is φ = 14415104.

The previous prime is 36037829. The next prime is 36037843. The reversal of 36037840 is 4873063.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 30162064 = 2424^2 + 5492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36037843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225157 + ... + 225316.

Almost surely, 2^36037840 is an apocalyptic number.

It is an amenable number.

36037840 is an abundant number, since it is smaller than the sum of its proper divisors (47750324).

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

36037840 is a wasteful number, since it uses less digits than its factorization.

36037840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450486 (or 450480 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 36037840 is about 6003.1525051426. The cubic root of 36037840 is about 330.3083741262.

The spelling of 36037840 in words is "thirty-six million, thirty-seven thousand, eight hundred forty".