464635707728 has 20 divisors (see below), whose sum is σ = 905435340468. Its totient is φ = 230974974720.

The previous prime is 464635707721. The next prime is 464635707737. The reversal of 464635707728 is 827707536464.

It can be written as a sum of positive squares in 2 ways, for example, as 412436252944 + 52199454784 = 642212^2 + 228472^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464635707721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83927093 + ... + 83932628.

Almost surely, 2^464635707728 is an apocalyptic number.

It is an amenable number.

464635707728 is a deficient number, since it is larger than the sum of its proper divisors (440799632740).

464635707728 is a wasteful number, since it uses less digits than its factorization.

464635707728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167859902 (or 167859896 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 464635707728 in words is "four hundred sixty-four billion, six hundred thirty-five million, seven hundred seven thousand, seven hundred twenty-eight".