42086956418 has 8 divisors (see below), whose sum is σ = 67986621948. Its totient is φ = 19424749104.

The previous prime is 42086956393. The next prime is 42086956421. The reversal of 42086956418 is 81465968024.

It can be written as a sum of positive squares in 2 ways, for example, as 38735356969 + 3351599449 = 196813^2 + 57893^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42086956418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809364521 + ... + 809364572.

Almost surely, 2^42086956418 is an apocalyptic number.

42086956418 is a deficient number, since it is larger than the sum of its proper divisors (25899665530).

42086956418 is a wasteful number, since it uses less digits than its factorization.

42086956418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618729108.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 42086956418 in words is "forty-two billion, eighty-six million, nine hundred fifty-six thousand, four hundred eighteen".