42775407118 has 4 divisors (see below), whose sum is σ = 64163110680. Its totient is φ = 21387703558.

The previous prime is 42775407097. The next prime is 42775407119. The reversal of 42775407118 is 81170457724.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42775407118² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42775407119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10693851778 + ... + 10693851781.

It is an arithmetic number, because the mean of its divisors is an integer number (16040777670).

Almost surely, 2^42775407118 is an apocalyptic number.

42775407118 is a deficient number, since it is larger than the sum of its proper divisors (21387703562).

42775407118 is a wasteful number, since it uses less digits than its factorization.

42775407118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387703561.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 42775407118 in words is "forty-two billion, seven hundred seventy-five million, four hundred seven thousand, one hundred eighteen".