40661452 has 12 divisors (see below), whose sum is σ = 76631296. Its totient is φ = 18766800.

The previous prime is 40661449. The next prime is 40661459. The reversal of 40661452 is 25416604.

40661452 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 40661452.

It is not an unprimeable number, because it can be changed into a prime (40661459) 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 3 ways as a sum of consecutive naturals, for example, 390924 + ... + 391027.

Almost surely, 2^40661452 is an apocalyptic number.

It is an amenable number.

40661452 is a deficient number, since it is larger than the sum of its proper divisors (35969844).

40661452 is a wasteful number, since it uses less digits than its factorization.

40661452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781968 (or 781966 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40661452 is about 6376.6332809720. The cubic root of 40661452 is about 343.8700045143.

The spelling of 40661452 in words is "forty million, six hundred sixty-one thousand, four hundred fifty-two".