10440426 has 16 divisors (see below), whose sum is σ = 20916000. Its totient is φ = 3474288.

The previous prime is 10440383. The next prime is 10440427. The reversal of 10440426 is 62404401.

It is a super-2 number, since 2×10440426² = 218004990122952, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3925 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (1307250).

Almost surely, 2^10440426 is an apocalyptic number.

10440426 is an abundant number, since it is smaller than the sum of its proper divisors (10475574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10440426 is a wasteful number, since it uses less digits than its factorization.

10440426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 10440426 is about 3231.1648054533. The cubic root of 10440426 is about 218.5610356153.

Adding to 10440426 its reverse (62404401), we get a palindrome (72844827).

The spelling of 10440426 in words is "ten million, four hundred forty thousand, four hundred twenty-six".