464012042311521 has 80 divisors (see below), whose sum is σ = 770451306482880. Its totient is φ = 275907584983680.

The previous prime is 464012042311513. The next prime is 464012042311591. The reversal of 464012042311521 is 125113240210464.

464012042311521 is a `hidden beast` number, since 4 + 6 + 4 + 0 + 120 + 4 + 2 + 3 + 1 + 1 + 521 = 666.

It is not a de Polignac number, because 464012042311521 - 2³ = 464012042311513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464012042311591) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3491554951 + ... + 3491687843.

It is an arithmetic number, because the mean of its divisors is an integer number (9630641331036).

Almost surely, 2^{464012042311521} is an apocalyptic number.

It is an amenable number.

464012042311521 is a deficient number, since it is larger than the sum of its proper divisors (306439264171359).

464012042311521 is a wasteful number, since it uses less digits than its factorization.

464012042311521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206908 (or 206899 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 464012042311521 its reverse (125113240210464), we get a palindrome (589125282521985).

The spelling of 464012042311521 in words is "four hundred sixty-four trillion, twelve billion, forty-two million, three hundred eleven thousand, five hundred twenty-one".