4461551644 has 12 divisors (see below), whose sum is σ = 8517507768. Its totient is φ = 2027978000.

The previous prime is 4461551617. The next prime is 4461551663.

It is a happy number.

4461551644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4461551597 and 4461551606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50699407 + ... + 50699494.

It is an arithmetic number, because the mean of its divisors is an integer number (709792314).

Almost surely, 2^4461551644 is an apocalyptic number.

4461551644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4461551644 is a deficient number, since it is larger than the sum of its proper divisors (4055956124).

4461551644 is a wasteful number, since it uses less digits than its factorization.

4461551644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101398916 (or 101398914 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 4461551644 is about 66794.8474360111. The cubic root of 4461551644 is about 1646.2481811933.

The spelling of 4461551644 in words is "four billion, four hundred sixty-one million, five hundred fifty-one thousand, six hundred forty-four".