440695680 has 64 divisors (see below), whose sum is σ = 1404723600. Its totient is φ = 117518336.

The previous prime is 440695679. The next prime is 440695741. The reversal of 440695680 is 86596044.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112845 + ... + 116684.

Almost surely, 2^440695680 is an apocalyptic number.

440695680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440695680 is an abundant number, since it is smaller than the sum of its proper divisors (964027920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440695680 is a wasteful number, since it uses less digits than its factorization.

440695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229551 (or 229539 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 440695680 is about 20992.7530352739. The cubic root of 440695680 is about 760.9911353129.

The spelling of 440695680 in words is "four hundred forty million, six hundred ninety-five thousand, six hundred eighty".