10440401 has 8 divisors (see below), whose sum is σ = 10836840. Its totient is φ = 10050048.

The previous prime is 10440383. The next prime is 10440427. The reversal of 10440401 is 10404401.

It can be written as a sum of positive squares in 4 ways, for example, as 5382400 + 5058001 = 2320^2 + 2249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10440401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10440461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1354605).

Almost surely, 2^10440401 is an apocalyptic number.

It is an amenable number.

10440401 is a deficient number, since it is larger than the sum of its proper divisors (396439).

10440401 is an equidigital number, since it uses as much as digits as its factorization.

10440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10440401 is about 3231.1609368770. The cubic root of 10440401 is about 218.5608611642.

Adding to 10440401 its reverse (10404401), we get a palindrome (20844802).

The spelling of 10440401 in words is "ten million, four hundred forty thousand, four hundred one".