36031640 has 32 divisors (see below), whose sum is σ = 81432000. Its totient is φ = 14348544.

The previous prime is 36031637. The next prime is 36031643. The reversal of 36031640 is 4613063.

It is an interprime number because it is at equal distance from previous prime (36031637) and next prime (36031643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36031643) 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 7 ways as a sum of consecutive naturals, for example, 7676 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (2544750).

Almost surely, 2^36031640 is an apocalyptic number.

It is an amenable number.

36031640 is an abundant number, since it is smaller than the sum of its proper divisors (45400360).

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

36031640 is a wasteful number, since it uses less digits than its factorization.

36031640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 36031640 is about 6002.6360875869. The cubic root of 36031640 is about 330.2894308028.

The spelling of 36031640 in words is "thirty-six million, thirty-one thousand, six hundred forty".