4400144961 has 4 divisors (see below), whose sum is σ = 5866859952. Its totient is φ = 2933429972.

The previous prime is 4400144953. The next prime is 4400144981. The reversal of 4400144961 is 1694410044.

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 4400144961 - 2³ = 4400144953 is a prime.

It is a super-2 number, since 2×4400144961² = 38722551355627383042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4400144981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733357491 + ... + 733357496.

It is an arithmetic number, because the mean of its divisors is an integer number (1466714988).

Almost surely, 2^4400144961 is an apocalyptic number.

It is an amenable number.

4400144961 is a deficient number, since it is larger than the sum of its proper divisors (1466714991).

4400144961 is a wasteful number, since it uses less digits than its factorization.

4400144961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466714990.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4400144961 is about 66333.5884827589. The cubic root of 4400144961 is about 1638.6605364023.

The spelling of 4400144961 in words is "four billion, four hundred million, one hundred forty-four thousand, nine hundred sixty-one".