464064646 has 16 divisors (see below), whose sum is σ = 713366784. Its totient is φ = 226343304.

The previous prime is 464064571. The next prime is 464064697. The reversal of 464064646 is 646460464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 464064599 and 464064608.

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, 3010 + ... + 30613.

It is an arithmetic number, because the mean of its divisors is an integer number (44585424).

Almost surely, 2^464064646 is an apocalyptic number.

464064646 is a deficient number, since it is larger than the sum of its proper divisors (249302138).

464064646 is a wasteful number, since it uses less digits than its factorization.

464064646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33795.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 464064646 is about 21542.1597338800. The cubic root of 464064646 is about 774.2112800036.

The spelling of 464064646 in words is "four hundred sixty-four million, sixty-four thousand, six hundred forty-six".