10547440 has 40 divisors (see below), whose sum is σ = 25319808. Its totient is φ = 4081920.

The previous prime is 10547431. The next prime is 10547441. The reversal of 10547440 is 4474501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10547440² = 222496981107200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10547441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354 + ... + 4606.

Almost surely, 2^10547440 is an apocalyptic number.

10547440 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 10547440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12659904).

10547440 is an abundant number, since it is smaller than the sum of its proper divisors (14772368).

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

10547440 is a wasteful number, since it uses less digits than its factorization.

10547440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 10547440 is about 3247.6822504672. The cubic root of 10547440 is about 219.3052463139.

The spelling of 10547440 in words is "ten million, five hundred forty-seven thousand, four hundred forty".