42775471418 has 8 divisors (see below), whose sum is σ = 64189761012. Its totient is φ = 21378884416.

The previous prime is 42775471399. The next prime is 42775471423. The reversal of 42775471418 is 81417457724.

It can be written as a sum of positive squares in 2 ways, for example, as 37646476729 + 5128994689 = 194027^2 + 71617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×42775471418³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419605 + ... + 4429272.

Almost surely, 2^42775471418 is an apocalyptic number.

42775471418 is a deficient number, since it is larger than the sum of its proper divisors (21414289594).

42775471418 is a wasteful number, since it uses less digits than its factorization.

42775471418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851296.

The product of its digits is 1756160, while the sum is 50.

The spelling of 42775471418 in words is "forty-two billion, seven hundred seventy-five million, four hundred seventy-one thousand, four hundred eighteen".