40275140 has 12 divisors (see below), whose sum is σ = 84577836. Its totient is φ = 16110048.

The previous prime is 40275127. The next prime is 40275143. The reversal of 40275140 is 4157204.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 8375236 = 5648^2 + 2894^2 .

It is not an unprimeable number, because it can be changed into a prime (40275143) 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 3 ways as a sum of consecutive naturals, for example, 1006859 + ... + 1006898.

It is an arithmetic number, because the mean of its divisors is an integer number (7048153).

Almost surely, 2^40275140 is an apocalyptic number.

It is an amenable number.

40275140 is an abundant number, since it is smaller than the sum of its proper divisors (44302696).

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

40275140 is a wasteful number, since it uses less digits than its factorization.

40275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013766 (or 2013764 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40275140 is about 6346.2697705030. The cubic root of 40275140 is about 342.7775362467. Note that the first 3 decimals are identical.

The spelling of 40275140 in words is "forty million, two hundred seventy-five thousand, one hundred forty".