468019990 has 16 divisors (see below), whose sum is σ = 843489360. Its totient is φ = 186973920.

The previous prime is 468019987. The next prime is 468019997. The reversal of 468019990 is 99910864.

It is a super-2 number, since 2×468019990² = 438085422079200200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 468019990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468019997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20745 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (52718085).

Almost surely, 2^468019990 is an apocalyptic number.

468019990 is a deficient number, since it is larger than the sum of its proper divisors (375469370).

468019990 is a wasteful number, since it uses less digits than its factorization.

468019990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58527.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 468019990 is about 21633.7696668888. The cubic root of 468019990 is about 776.4046617164.

The spelling of 468019990 in words is "four hundred sixty-eight million, nineteen thousand, nine hundred ninety".