10247040 has 128 divisors (see below), whose sum is σ = 36352800. Its totient is φ = 2727936.

The previous prime is 10247021. The next prime is 10247051. The reversal of 10247040 is 4074201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 16984 + ... + 17576.

Almost surely, 2^10247040 is an apocalyptic number.

10247040 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 10247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18176400).

10247040 is an abundant number, since it is smaller than the sum of its proper divisors (26105760).

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

10247040 is an equidigital number, since it uses as much as digits as its factorization.

10247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 10247040 is about 3201.0998110025. The cubic root of 10247040 is about 217.2031622506.

The spelling of 10247040 in words is "ten million, two hundred forty-seven thousand, forty".