10449280 has 64 divisors (see below), whose sum is σ = 25887600. Its totient is φ = 4028416.

The previous prime is 10449277. The next prime is 10449287. The reversal of 10449280 is 8294401.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10449287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18279 + ... + 18841.

Almost surely, 2^10449280 is an apocalyptic number.

10449280 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 10449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12943800).

10449280 is an abundant number, since it is smaller than the sum of its proper divisors (15438320).

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

10449280 is an equidigital number, since it uses as much as digits as its factorization.

10449280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 10449280 is about 3232.5346092501. The cubic root of 10449280 is about 218.6228016976.

The spelling of 10449280 in words is "ten million, four hundred forty-nine thousand, two hundred eighty".