4611444640 has 48 divisors (see below), whose sum is σ = 11884955040. Its totient is φ = 1676888320.

The previous prime is 4611444583. The next prime is 4611444653. The reversal of 4611444640 is 464441164.

It is a junction number, because it is equal to n+sod(n) for n = 4611444596 and 4611444605.

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, 1308310 + ... + 1311829.

It is an arithmetic number, because the mean of its divisors is an integer number (247603230).

Almost surely, 2^4611444640 is an apocalyptic number.

4611444640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4611444640 is an abundant number, since it is smaller than the sum of its proper divisors (7273510400).

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

4611444640 is a wasteful number, since it uses less digits than its factorization.

4611444640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620165 (or 2620157 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 4611444640 is about 67907.6184238558. The cubic root of 4611444640 is about 1664.4816044649.

The spelling of 4611444640 in words is "four billion, six hundred eleven million, four hundred forty-four thousand, six hundred forty".