10509448 has 24 divisors (see below), whose sum is σ = 20299230. Its totient is φ = 5097920.

The previous prime is 10509371. The next prime is 10509461. The reversal of 10509448 is 84490501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10381284 + 128164 = 3222^2 + 358^2 .

It is a super-2 number, since 2×10509448² = 220896994529408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58623 + ... + 58801.

Almost surely, 2^10509448 is an apocalyptic number.

It is an amenable number.

10509448 is a deficient number, since it is larger than the sum of its proper divisors (9789782).

10509448 is an equidigital number, since it uses as much as digits as its factorization.

10509448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10509448 is about 3241.8278794532. The cubic root of 10509448 is about 219.0416161886.

Adding to 10509448 its reverse (84490501), we get a palindrome (94999949).

The spelling of 10509448 in words is "ten million, five hundred nine thousand, four hundred forty-eight".