10440390 has 32 divisors (see below), whose sum is σ = 26148096. Its totient is φ = 2662880.

The previous prime is 10440383. The next prime is 10440427. The reversal of 10440390 is 9304401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6876 + ... + 8255.

It is an arithmetic number, because the mean of its divisors is an integer number (817128).

Almost surely, 2^10440390 is an apocalyptic number.

10440390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10440390 is an abundant number, since it is smaller than the sum of its proper divisors (15707706).

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

10440390 is a wasteful number, since it uses less digits than its factorization.

10440390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10440390 is about 3231.1592347020. The cubic root of 10440390 is about 218.5607844056.

Adding to 10440390 its reverse (9304401), we get a palindrome (19744791).

The spelling of 10440390 in words is "ten million, four hundred forty thousand, three hundred ninety".