2044606464 has 72 divisors (see below), whose sum is σ = 5905252080. Its totient is φ = 681529344.

The previous prime is 2044606463. The next prime is 2044606489. The reversal of 2044606464 is 4646064402.

It is a happy number.

2044606464 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 6 + 0 + 646 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044606463) 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, 37032 + ... + 73895.

It is an arithmetic number, because the mean of its divisors is an integer number (82017390).

Almost surely, 2^2044606464 is an apocalyptic number.

2044606464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2044606464 is an abundant number, since it is smaller than the sum of its proper divisors (3860645616).

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

2044606464 is a wasteful number, since it uses less digits than its factorization.

2044606464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110955 (or 110932 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 2044606464 is about 45217.3248213558. The cubic root of 2044606464 is about 1269.2190341886.

The spelling of 2044606464 in words is "two billion, forty-four million, six hundred six thousand, four hundred sixty-four".