468509990 has 16 divisors (see below), whose sum is σ = 908188848. Its totient is φ = 172988256.

The previous prime is 468509971. The next prime is 468510001. The reversal of 468509990 is 99905864.

It is a super-2 number, since 2×468509990² = 439003221459600200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1801832 + ... + 1802091.

It is an arithmetic number, because the mean of its divisors is an integer number (56761803).

Almost surely, 2^468509990 is an apocalyptic number.

468509990 is a deficient number, since it is larger than the sum of its proper divisors (439678858).

468509990 is a wasteful number, since it uses less digits than its factorization.

468509990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603943.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 468509990 is about 21645.0915913978. The cubic root of 468509990 is about 776.6755230764.

The spelling of 468509990 in words is "four hundred sixty-eight million, five hundred nine thousand, nine hundred ninety".