36156440 has 32 divisors (see below), whose sum is σ = 81524880. Its totient is φ = 14431872.

The previous prime is 36156431. The next prime is 36156443. The reversal of 36156440 is 4465163.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36156443) 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, 32534 + ... + 33626.

Almost surely, 2^36156440 is an apocalyptic number.

It is an amenable number.

36156440 is an abundant number, since it is smaller than the sum of its proper divisors (45368440).

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

36156440 is a wasteful number, since it uses less digits than its factorization.

36156440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 36156440 is about 6013.0225344663. The cubic root of 36156440 is about 330.6703240216.

The spelling of 36156440 in words is "thirty-six million, one hundred fifty-six thousand, four hundred forty".