10440342 has 48 divisors (see below), whose sum is σ = 25077312. Its totient is φ = 3112560.

The previous prime is 10440341. The next prime is 10440349. The reversal of 10440342 is 24304401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12873 + ... + 13659.

It is an arithmetic number, because the mean of its divisors is an integer number (522444).

Almost surely, 2^10440342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10440342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12538656).

10440342 is an abundant number, since it is smaller than the sum of its proper divisors (14636970).

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

10440342 is a wasteful number, since it uses less digits than its factorization.

10440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 10440342 is about 3231.1518070187. The cubic root of 10440342 is about 218.5604494586.

Adding to 10440342 its reverse (24304401), we get a palindrome (34744743).

The spelling of 10440342 in words is "ten million, four hundred forty thousand, three hundred forty-two".