440749671 has 16 divisors (see below), whose sum is σ = 597636480. Its totient is φ = 288882720.

The previous prime is 440749663. The next prime is 440749681. The reversal of 440749671 is 176947044.

It is not a de Polignac number, because 440749671 - 2³ = 440749663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440749681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48345 + ... + 56733.

It is an arithmetic number, because the mean of its divisors is an integer number (37352280).

Almost surely, 2^440749671 is an apocalyptic number.

440749671 is a deficient number, since it is larger than the sum of its proper divisors (156886809).

440749671 is a wasteful number, since it uses less digits than its factorization.

440749671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 440749671 is about 20994.0389396609. The cubic root of 440749671 is about 761.0222111750.

The spelling of 440749671 in words is "four hundred forty million, seven hundred forty-nine thousand, six hundred seventy-one".