468881918 has 16 divisors (see below), whose sum is σ = 734384880. Its totient is φ = 224238336.

The previous prime is 468881891. The next prime is 468881951. The reversal of 468881918 is 819188864.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 468881918.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 31571 + ... + 43982.

It is an arithmetic number, because the mean of its divisors is an integer number (45899055).

Almost surely, 2^468881918 is an apocalyptic number.

468881918 is a deficient number, since it is larger than the sum of its proper divisors (265502962).

468881918 is a wasteful number, since it uses less digits than its factorization.

468881918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75691.

The product of its digits is 884736, while the sum is 53.

The square root of 468881918 is about 21653.6813960121. The cubic root of 468881918 is about 776.8809907465.

The spelling of 468881918 in words is "four hundred sixty-eight million, eight hundred eighty-one thousand, nine hundred eighteen".