10440087 has 48 divisors (see below), whose sum is σ = 17510400. Its totient is φ = 5503680.

The previous prime is 10440083. The next prime is 10440103. The reversal of 10440087 is 78004401.

It is not a de Polignac number, because 10440087 - 2² = 10440083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132114 + ... + 132192.

It is an arithmetic number, because the mean of its divisors is an integer number (364800).

Almost surely, 2^10440087 is an apocalyptic number.

10440087 is a deficient number, since it is larger than the sum of its proper divisors (7070313).

10440087 is a wasteful number, since it uses less digits than its factorization.

10440087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 10440087 is about 3231.1123471647. The cubic root of 10440087 is about 218.5586700351.

Adding to 10440087 its reverse (78004401), we get a palindrome (88444488).

The spelling of 10440087 in words is "ten million, four hundred forty thousand, eighty-seven".