468687990 has 16 divisors (see below), whose sum is σ = 1124851248. Its totient is φ = 124983456.

The previous prime is 468687983. The next prime is 468688009. The reversal of 468687990 is 99786864.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 468687990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811437 + ... + 7811496.

It is an arithmetic number, because the mean of its divisors is an integer number (70303203).

Almost surely, 2^468687990 is an apocalyptic number.

468687990 is an abundant number, since it is smaller than the sum of its proper divisors (656163258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

468687990 is a wasteful number, since it uses less digits than its factorization.

468687990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15622943.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 468687990 is about 21649.2029876391. The cubic root of 468687990 is about 776.7738708467.

The spelling of 468687990 in words is "four hundred sixty-eight million, six hundred eighty-seven thousand, nine hundred ninety".