10709440 has 84 divisors (see below), whose sum is σ = 29708856. Its totient is φ = 3666432.

The previous prime is 10709431. The next prime is 10709453. The reversal of 10709440 is 4490701.

It is a super-2 number, since 2×10709440² = 229384210227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15339 + ... + 16021.

Almost surely, 2^10709440 is an apocalyptic number.

10709440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10709440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14854428).

10709440 is an abundant number, since it is smaller than the sum of its proper divisors (18999416).

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

10709440 is an equidigital number, since it uses as much as digits as its factorization.

10709440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 10709440 is about 3272.5280747459. The cubic root of 10709440 is about 220.4223292408.

The spelling of 10709440 in words is "ten million, seven hundred nine thousand, four hundred forty".