440696887 has 12 divisors (see below), whose sum is σ = 466700616. Its totient is φ = 416077200.

The previous prime is 440696881. The next prime is 440696917. The reversal of 440696887 is 788696044.

It is a happy number.

It is not a de Polignac number, because 440696887 - 2¹⁹ = 440172599 is a prime.

It is a super-2 number, since 2×440696887² = 388427492422981538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440696881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112512 + ... + 116362.

It is an arithmetic number, because the mean of its divisors is an integer number (38891718).

Almost surely, 2^440696887 is an apocalyptic number.

440696887 is a deficient number, since it is larger than the sum of its proper divisors (26003729).

440696887 is a wasteful number, since it uses less digits than its factorization.

440696887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 440696887 is about 20992.7817832702. The cubic root of 440696887 is about 760.9918300595.

It can be divided in two parts, 44069 and 6887, that multiplied together give a triangular number (303503203 = T₂₄₆₃₇).

The spelling of 440696887 in words is "four hundred forty million, six hundred ninety-six thousand, eight hundred eighty-seven".