36140440 has 48 divisors (see below), whose sum is σ = 94597200. Its totient is φ = 12390336.

The previous prime is 36140437. The next prime is 36140473. The reversal of 36140440 is 4404163.

It is a happy number.

36140440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36140440² = 2612262806787200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7260 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (1970775).

Almost surely, 2^36140440 is an apocalyptic number.

It is an amenable number.

36140440 is an abundant number, since it is smaller than the sum of its proper divisors (58456760).

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

36140440 is a wasteful number, since it uses less digits than its factorization.

36140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464 (or 18453 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 36140440 is about 6011.6919415419. The cubic root of 36140440 is about 330.6215405887.

The spelling of 36140440 in words is "thirty-six million, one hundred forty thousand, four hundred forty".