42766620802 has 4 divisors (see below), whose sum is σ = 64149931206. Its totient is φ = 21383310400.

The previous prime is 42766620797. The next prime is 42766620817. The reversal of 42766620802 is 20802666724.

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., 27442904281 + 15323716521 = 165659^2 + 123789^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10691655199 + ... + 10691655202.

Almost surely, 2^42766620802 is an apocalyptic number.

42766620802 is a deficient number, since it is larger than the sum of its proper divisors (21383310404).

42766620802 is a wasteful number, since it uses less digits than its factorization.

42766620802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21383310403.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 42766620802 in words is "forty-two billion, seven hundred sixty-six million, six hundred twenty thousand, eight hundred two".