4801440661 has 4 divisors (see below), whose sum is σ = 4801805152. Its totient is φ = 4801076172.

The previous prime is 4801440659. The next prime is 4801440671. The reversal of 4801440661 is 1660441084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4801440661 - 2¹ = 4801440659 is a prime.

It is a super-2 number, since 2×4801440661² = 46107664842208233842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4801440671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161715 + ... + 189088.

It is an arithmetic number, because the mean of its divisors is an integer number (1200451288).

Almost surely, 2^4801440661 is an apocalyptic number.

It is an amenable number.

4801440661 is a deficient number, since it is larger than the sum of its proper divisors (364491).

4801440661 is a wasteful number, since it uses less digits than its factorization.

4801440661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364490.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 4801440661 is about 69292.4285979356. The cubic root of 4801440661 is about 1687.0340776870.

The spelling of 4801440661 in words is "four billion, eight hundred one million, four hundred forty thousand, six hundred sixty-one".