40053660 has 24 divisors (see below), whose sum is σ = 112150416. Its totient is φ = 10680960.

The previous prime is 40053659. The next prime is 40053677. The reversal of 40053660 is 6635004.

40053660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40053660.

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 7 ways as a sum of consecutive naturals, for example, 333721 + ... + 333840.

It is an arithmetic number, because the mean of its divisors is an integer number (4672934).

Almost surely, 2^40053660 is an apocalyptic number.

It is an amenable number.

40053660 is an abundant number, since it is smaller than the sum of its proper divisors (72096756).

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

40053660 is a wasteful number, since it uses less digits than its factorization.

40053660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667573 (or 667571 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40053660 is about 6328.7960940451. The cubic root of 40053660 is about 342.1480498504.

Adding to 40053660 its reverse (6635004), we get a palindrome (46688664).

The spelling of 40053660 in words is "forty million, fifty-three thousand, six hundred sixty".