4044664461 has 8 divisors (see below), whose sum is σ = 5445244480. Its totient is φ = 2670263712.

The previous prime is 4044664447. The next prime is 4044664487. The reversal of 4044664461 is 1644664404.

4044664461 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4044664461 - 2⁶ = 4044664397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044664411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544456 + ... + 6545073.

It is an arithmetic number, because the mean of its divisors is an integer number (680655560).

Almost surely, 2^4044664461 is an apocalyptic number.

It is an amenable number.

4044664461 is a deficient number, since it is larger than the sum of its proper divisors (1400580019).

4044664461 is a wasteful number, since it uses less digits than its factorization.

4044664461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089635.

The product of its (nonzero) digits is 221184, while the sum is 39.

The square root of 4044664461 is about 63597.6765377478. The cubic root of 4044664461 is about 1593.2875639074.

The spelling of 4044664461 in words is "four billion, forty-four million, six hundred sixty-four thousand, four hundred sixty-one".