42647948266 has 32 divisors (see below), whose sum is σ = 80718156288. Its totient is φ = 16415885040.

The previous prime is 42647948261. The next prime is 42647948269. The reversal of 42647948266 is 66284974624.

It is a self number, because there is not a number n which added to its sum of digits gives 42647948266.

It is not an unprimeable number, because it can be changed into a prime (42647948261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655500 + ... + 1681063.

It is an arithmetic number, because the mean of its divisors is an integer number (2522442384).

Almost surely, 2^42647948266 is an apocalyptic number.

42647948266 is a deficient number, since it is larger than the sum of its proper divisors (38070208022).

42647948266 is a wasteful number, since it uses less digits than its factorization.

42647948266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336666.

The product of its digits is 27869184, while the sum is 58.

The spelling of 42647948266 in words is "forty-two billion, six hundred forty-seven million, nine hundred forty-eight thousand, two hundred sixty-six".