440044461 has 8 divisors (see below), whose sum is σ = 651917760. Its totient is φ = 293362956.

The previous prime is 440044453. The next prime is 440044469. The reversal of 440044461 is 164440044.

It is an interprime number because it is at equal distance from previous prime (440044453) and next prime (440044469).

It is not a de Polignac number, because 440044461 - 2³ = 440044453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16297943 = 440044461 / (4 + 4 + 0 + 0 + 4 + 4 + 4 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440044469) 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, 8148945 + ... + 8148998.

It is an arithmetic number, because the mean of its divisors is an integer number (81489720).

Almost surely, 2^440044461 is an apocalyptic number.

It is an amenable number.

440044461 is a deficient number, since it is larger than the sum of its proper divisors (211873299).

440044461 is a wasteful number, since it uses less digits than its factorization.

440044461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297952 (or 16297946 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 440044461 is about 20977.2367341364. The cubic root of 440044461 is about 760.6161099363.

The spelling of 440044461 in words is "four hundred forty million, forty-four thousand, four hundred sixty-one".