10681442 has 6 divisors (see below), whose sum is σ = 16029099. Its totient is φ = 5338410.

The previous prime is 10681441. The next prime is 10681459. The reversal of 10681442 is 24418601.

10681442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5340721 + 5340721 = 2311^2 + 2311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2311.

It is a super-2 number, since 2×10681442² = 228186406398728, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10681441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3467 + ... + 5777.

Almost surely, 2^10681442 is an apocalyptic number.

10681442 is a deficient number, since it is larger than the sum of its proper divisors (5347657).

10681442 is an frugal number, since it uses more digits than its factorization.

10681442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 10681442 is about 3268.2475426442. The cubic root of 10681442 is about 220.2300761068.

The spelling of 10681442 in words is "ten million, six hundred eighty-one thousand, four hundred forty-two".