4040523666 has 48 divisors (see below), whose sum is σ = 9141163200. Its totient is φ = 1287427680.

The previous prime is 4040523653. The next prime is 4040523701. The reversal of 4040523666 is 6663250404.

It is a self number, because there is not a number n which added to its sum of digits gives 4040523666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983685 + ... + 987783.

It is an arithmetic number, because the mean of its divisors is an integer number (190440900).

Almost surely, 2^4040523666 is an apocalyptic number.

4040523666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4040523666 is an abundant number, since it is smaller than the sum of its proper divisors (5100639534).

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

4040523666 is a wasteful number, since it uses less digits than its factorization.

4040523666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511 (or 6508 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 4040523666 is about 63565.1135922843. The cubic root of 4040523666 is about 1592.7436597138.

The spelling of 4040523666 in words is "four billion, forty million, five hundred twenty-three thousand, six hundred sixty-six".