10440738 has 128 divisors (see below), whose sum is σ = 30228480. Its totient is φ = 2624400.

The previous prime is 10440641. The next prime is 10440743. The reversal of 10440738 is 83704401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336783 + ... + 336813.

It is an arithmetic number, because the mean of its divisors is an integer number (236160).

Almost surely, 2^10440738 is an apocalyptic number.

10440738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10440738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15114240).

10440738 is an abundant number, since it is smaller than the sum of its proper divisors (19787742).

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

10440738 is an equidigital number, since it uses as much as digits as its factorization.

10440738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 10440738 is about 3231.2130848955. The cubic root of 10440738 is about 218.5632127411.

The spelling of 10440738 in words is "ten million, four hundred forty thousand, seven hundred thirty-eight".