42243197792766 has 32 divisors (see below), whose sum is σ = 87401149977600. Its totient is φ = 13595289425760.

The previous prime is 42243197792759. The next prime is 42243197792771. The reversal of 42243197792766 is 66729779134224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42243197792766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8844715 + ... + 12755993.

It is an arithmetic number, because the mean of its divisors is an integer number (2731285936800).

Almost surely, 2^{42243197792766} is an apocalyptic number.

42243197792766 is an abundant number, since it is smaller than the sum of its proper divisors (45157952184834).

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

42243197792766 is a wasteful number, since it uses less digits than its factorization.

42243197792766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973384.

The product of its digits is 384072192, while the sum is 69.

The spelling of 42243197792766 in words is "forty-two trillion, two hundred forty-three billion, one hundred ninety-seven million, seven hundred ninety-two thousand, seven hundred sixty-six".