10440691 has 6 divisors (see below), whose sum is σ = 10703276. Its totient is φ = 10184400.

The previous prime is 10440641. The next prime is 10440743. The reversal of 10440691 is 19604401.

It is not a de Polignac number, because 10440691 - 2¹⁵ = 10407923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1425 + ... + 4786.

Almost surely, 2^10440691 is an apocalyptic number.

10440691 is a deficient number, since it is larger than the sum of its proper divisors (262585).

10440691 is an frugal number, since it uses more digits than its factorization.

10440691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10440691 is about 3231.2058120770. The cubic root of 10440691 is about 218.5628847794.

The spelling of 10440691 in words is "ten million, four hundred forty thousand, six hundred ninety-one".