464644044 has 18 divisors (see below), whose sum is σ = 1174516980. Its totient is φ = 154881336.

The previous prime is 464644009. The next prime is 464644049. The reversal of 464644044 is 440446464.

464644044 is a `hidden beast` number, since 4 + 6 + 4 + 644 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12906779 = 464644044 / (4 + 6 + 4 + 6 + 4 + 4 + 0 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (464644049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6453354 + ... + 6453425.

Almost surely, 2^464644044 is an apocalyptic number.

It is an amenable number.

464644044 is an abundant number, since it is smaller than the sum of its proper divisors (709872936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464644044 is a wasteful number, since it uses less digits than its factorization.

464644044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906789 (or 12906784 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The square root of 464644044 is about 21555.6035406110. The cubic root of 464644044 is about 774.5333543192.

The spelling of 464644044 in words is "four hundred sixty-four million, six hundred forty-four thousand, forty-four".