468515816 has 8 divisors (see below), whose sum is σ = 878467170. Its totient is φ = 234257904.

The previous prime is 468515797. The next prime is 468515821. The reversal of 468515816 is 618515864.

It can be written as a sum of positive squares in only one way, i.e., 459930916 + 8584900 = 21446^2 + 2930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29282231 + ... + 29282246.

Almost surely, 2^468515816 is an apocalyptic number.

It is an amenable number.

468515816 is a deficient number, since it is larger than the sum of its proper divisors (409951354).

468515816 is a wasteful number, since it uses less digits than its factorization.

468515816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58564483 (or 58564479 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 468515816 is about 21645.2261711445. The cubic root of 468515816 is about 776.6787424264.

The spelling of 468515816 in words is "four hundred sixty-eight million, five hundred fifteen thousand, eight hundred sixteen".