40232659066 has 4 divisors (see below), whose sum is σ = 60348988602. Its totient is φ = 20116329532.

The previous prime is 40232659009. The next prime is 40232659069. The reversal of 40232659066 is 66095623204.

40232659066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38850381025 + 1382278041 = 197105^2 + 37179^2 .

It is not an unprimeable number, because it can be changed into a prime (40232659069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058164765 + ... + 10058164768.

Almost surely, 2^40232659066 is an apocalyptic number.

40232659066 is a deficient number, since it is larger than the sum of its proper divisors (20116329536).

40232659066 is a wasteful number, since it uses less digits than its factorization.

40232659066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116329535.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 40232659066 in words is "forty billion, two hundred thirty-two million, six hundred fifty-nine thousand, sixty-six".