40260660 has 48 divisors (see below), whose sum is σ = 122980032. Its totient is φ = 9760000.

The previous prime is 40260659. The next prime is 40260667. The reversal of 40260660 is 6606204.

It is a self number, because there is not a number n which added to its sum of digits gives 40260660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260667) 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 15 ways as a sum of consecutive naturals, for example, 29841 + ... + 31160.

It is an arithmetic number, because the mean of its divisors is an integer number (2562084).

Almost surely, 2^40260660 is an apocalyptic number.

It is an amenable number.

40260660 is an abundant number, since it is smaller than the sum of its proper divisors (82719372).

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

40260660 is a wasteful number, since it uses less digits than its factorization.

40260660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61024 (or 61022 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40260660 is about 6345.1288402995. The cubic root of 40260660 is about 342.7364520637.

Adding to 40260660 its reverse (6606204), we get a palindrome (46866864).

The spelling of 40260660 in words is "forty million, two hundred sixty thousand, six hundred sixty".