40089140 has 48 divisors (see below), whose sum is σ = 103619712. Its totient is φ = 12686976.

The previous prime is 40089113. The next prime is 40089157. The reversal of 40089140 is 4198004.

40089140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 9194 + ... + 12833.

It is an arithmetic number, because the mean of its divisors is an integer number (2158744).

Almost surely, 2^40089140 is an apocalyptic number.

It is an amenable number.

40089140 is an abundant number, since it is smaller than the sum of its proper divisors (63530572).

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

40089140 is a wasteful number, since it uses less digits than its factorization.

40089140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056 (or 22054 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40089140 is about 6331.5985343355. The cubic root of 40089140 is about 342.2490462817.

The spelling of 40089140 in words is "forty million, eighty-nine thousand, one hundred forty".