42453975766 has 16 divisors (see below), whose sum is σ = 65794569984. Its totient is φ = 20532038184.

The previous prime is 42453975761. The next prime is 42453975769. The reversal of 42453975766 is 66757935424.

It is a self number, because there is not a number n which added to its sum of digits gives 42453975766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42453975761) 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 7 ways as a sum of consecutive naturals, for example, 2387506 + ... + 2405221.

It is an arithmetic number, because the mean of its divisors is an integer number (4112160624).

Almost surely, 2^42453975766 is an apocalyptic number.

42453975766 is a deficient number, since it is larger than the sum of its proper divisors (23340594218).

42453975766 is a wasteful number, since it uses less digits than its factorization.

42453975766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792875.

The product of its digits is 38102400, while the sum is 58.

The spelling of 42453975766 in words is "forty-two billion, four hundred fifty-three million, nine hundred seventy-five thousand, seven hundred sixty-six".