40665476 has 12 divisors (see below), whose sum is σ = 71209740. Its totient is φ = 20319840.

The previous prime is 40665473. The next prime is 40665497. The reversal of 40665476 is 67456604.

It can be written as a sum of positive squares in 2 ways, for example, as 11397376 + 29268100 = 3376^2 + 5410^2 .

It is not an unprimeable number, because it can be changed into a prime (40665473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9110 + ... + 12818.

It is an arithmetic number, because the mean of its divisors is an integer number (5934145).

Almost surely, 2^40665476 is an apocalyptic number.

It is an amenable number.

40665476 is a deficient number, since it is larger than the sum of its proper divisors (30544264).

40665476 is a wasteful number, since it uses less digits than its factorization.

40665476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454 (or 6452 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 40665476 is about 6376.9488001708. The cubic root of 40665476 is about 343.8813476676.

The spelling of 40665476 in words is "forty million, six hundred sixty-five thousand, four hundred seventy-six".