440417961 has 24 divisors (see below), whose sum is σ = 685241856. Its totient is φ = 271782720.

The previous prime is 440417951. The next prime is 440418019. The reversal of 440417961 is 169714044.

It is not a de Polignac number, because 440417961 - 2⁶ = 440417897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440417921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27900 + ... + 40733.

It is an arithmetic number, because the mean of its divisors is an integer number (28551744).

Almost surely, 2^440417961 is an apocalyptic number.

It is an amenable number.

440417961 is a deficient number, since it is larger than the sum of its proper divisors (244823895).

440417961 is a wasteful number, since it uses less digits than its factorization.

440417961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68693 (or 68690 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 440417961 is about 20986.1373530243. The cubic root of 440417961 is about 760.8312471203.

The spelling of 440417961 in words is "four hundred forty million, four hundred seventeen thousand, nine hundred sixty-one".