468856640 has 56 divisors (see below), whose sum is σ = 1275965952. Its totient is φ = 160750080.

The previous prime is 468856639. The next prime is 468856693. The reversal of 468856640 is 46658864.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 102416 + ... + 106895.

Almost surely, 2^468856640 is an apocalyptic number.

468856640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

468856640 is an abundant number, since it is smaller than the sum of its proper divisors (807109312).

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

468856640 is a wasteful number, since it uses less digits than its factorization.

468856640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209335 (or 209325 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 468856640 is about 21653.0976998673. The cubic root of 468856640 is about 776.8670296262.

The spelling of 468856640 in words is "four hundred sixty-eight million, eight hundred fifty-six thousand, six hundred forty".