42918222907802 has 32 divisors (see below), whose sum is σ = 70954870553280. Its totient is φ = 19306885870080.

The previous prime is 42918222907799. The next prime is 42918222907831. The reversal of 42918222907802 is 20870922281924.

It is a happy 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, 235222853 + ... + 235405239.

It is an arithmetic number, because the mean of its divisors is an integer number (2217339704790).

Almost surely, 2^{42918222907802} is an apocalyptic number.

42918222907802 is a deficient number, since it is larger than the sum of its proper divisors (28036647645478).

42918222907802 is a wasteful number, since it uses less digits than its factorization.

42918222907802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292766.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 42918222907802 in words is "forty-two trillion, nine hundred eighteen billion, two hundred twenty-two million, nine hundred seven thousand, eight hundred two".