39977740266 has 16 divisors (see below), whose sum is σ = 79960980288. Its totient is φ = 13324996800.

The previous prime is 39977740261. The next prime is 39977740273. The reversal of 39977740266 is 66204777993.

It is not an unprimeable number, because it can be changed into a prime (39977740261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131455 + ... + 311826.

It is an arithmetic number, because the mean of its divisors is an integer number (4997561268).

Almost surely, 2^39977740266 is an apocalyptic number.

39977740266 is an abundant number, since it is smaller than the sum of its proper divisors (39983240022).

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

39977740266 is a wasteful number, since it uses less digits than its factorization.

39977740266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458317.

The product of its (nonzero) digits is 24004512, while the sum is 60.

The spelling of 39977740266 in words is "thirty-nine billion, nine hundred seventy-seven million, seven hundred forty thousand, two hundred sixty-six".