46442440664 has 16 divisors (see below), whose sum is σ = 88057999800. Its totient is φ = 22960307392.

The previous prime is 46442440651. The next prime is 46442440669. The reversal of 46442440664 is 46604424464.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46442440669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32613362 + ... + 32614785.

Almost surely, 2^46442440664 is an apocalyptic number.

It is an amenable number.

46442440664 is a deficient number, since it is larger than the sum of its proper divisors (41615559136).

46442440664 is a wasteful number, since it uses less digits than its factorization.

46442440664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65228242 (or 65228238 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 46442440664 in words is "forty-six billion, four hundred forty-two million, four hundred forty thousand, six hundred sixty-four".