468138512 has 10 divisors (see below), whose sum is σ = 907018398. Its totient is φ = 234069248.

The previous prime is 468138497. The next prime is 468138523. The reversal of 468138512 is 215831864.

It can be written as a sum of positive squares in only one way, i.e., 250398976 + 217739536 = 15824^2 + 14756^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14629313 + ... + 14629344.

Almost surely, 2^468138512 is an apocalyptic number.

It is an amenable number.

468138512 is a deficient number, since it is larger than the sum of its proper divisors (438879886).

468138512 is a wasteful number, since it uses less digits than its factorization.

468138512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258665 (or 29258659 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 468138512 is about 21636.5087756782. The cubic root of 468138512 is about 776.4701954318.

The spelling of 468138512 in words is "four hundred sixty-eight million, one hundred thirty-eight thousand, five hundred twelve".