10440667368 has 80 divisors (see below), whose sum is σ = 30963776580. Its totient is φ = 3275500032.

The previous prime is 10440667337. The next prime is 10440667421. The reversal of 10440667368 is 86376604401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9797436324 + 643231044 = 98982^2 + 25362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 462871 + ... + 484902.

Almost surely, 2^10440667368 is an apocalyptic number.

10440667368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10440667368 is an abundant number, since it is smaller than the sum of its proper divisors (20523109212).

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

10440667368 is a wasteful number, since it uses less digits than its factorization.

10440667368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947808 (or 947795 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 10440667368 in words is "ten billion, four hundred forty million, six hundred sixty-seven thousand, three hundred sixty-eight".