40265140 has 24 divisors (see below), whose sum is σ = 85992480. Its totient is φ = 15832608.

The previous prime is 40265131. The next prime is 40265143. The reversal of 40265140 is 4156204.

40265140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40265143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15882 + ... + 18241.

It is an arithmetic number, because the mean of its divisors is an integer number (3583020).

Almost surely, 2^40265140 is an apocalyptic number.

It is an amenable number.

40265140 is an abundant number, since it is smaller than the sum of its proper divisors (45727340).

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

40265140 is a wasteful number, since it uses less digits than its factorization.

40265140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34191 (or 34189 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40265140 is about 6345.4818571957. The cubic root of 40265140 is about 342.7491642444.

The spelling of 40265140 in words is "forty million, two hundred sixty-five thousand, one hundred forty".