105440456 has 16 divisors (see below), whose sum is σ = 215673840. Its totient is φ = 47927440.

The previous prime is 105440407. The next prime is 105440509. The reversal of 105440456 is 654044501.

It is a super-2 number, since 2×105440456² = 22235379522975872, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 599006 + ... + 599181.

It is an arithmetic number, because the mean of its divisors is an integer number (13479615).

Almost surely, 2^105440456 is an apocalyptic number.

It is an amenable number.

105440456 is an abundant number, since it is smaller than the sum of its proper divisors (110233384).

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

105440456 is a wasteful number, since it uses less digits than its factorization.

105440456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198204 (or 1198200 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 105440456 is about 10268.4203264183. The cubic root of 105440456 is about 472.4281402061.

Adding to 105440456 its reverse (654044501), we get a palindrome (759484957).

The spelling of 105440456 in words is "one hundred five million, four hundred forty thousand, four hundred fifty-six".