10440425 has 6 divisors (see below), whose sum is σ = 12946158. Its totient is φ = 8352320.

The previous prime is 10440383. The next prime is 10440427. The reversal of 10440425 is 52404401.

It can be written as a sum of positive squares in 3 ways, for example, as 26896 + 10413529 = 164^2 + 3227^2 .

It is not a de Polignac number, because 10440425 - 2⁸ = 10440169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10440397 and 10440406.

It is not an unprimeable number, because it can be changed into a prime (10440427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208784 + ... + 208833.

It is an arithmetic number, because the mean of its divisors is an integer number (2157693).

Almost surely, 2^10440425 is an apocalyptic number.

It is an amenable number.

10440425 is a deficient number, since it is larger than the sum of its proper divisors (2505733).

10440425 is an equidigital number, since it uses as much as digits as its factorization.

10440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417627 (or 417622 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 10440425 is about 3231.1646507103. The cubic root of 10440425 is about 218.5610286372.

Adding to 10440425 its reverse (52404401), we get a palindrome (62844826).

The spelling of 10440425 in words is "ten million, four hundred forty thousand, four hundred twenty-five".