1405464448 has 16 divisors (see below), whose sum is σ = 2799948960. Its totient is φ = 702732160.

The previous prime is 1405464433. The next prime is 1405464449. The reversal of 1405464448 is 8444645041.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1405464448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405464449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5489968 + ... + 5490223.

It is an arithmetic number, because the mean of its divisors is an integer number (174996810).

Almost surely, 2^1405464448 is an apocalyptic number.

It is an amenable number.

1405464448 is a deficient number, since it is larger than the sum of its proper divisors (1394484512).

1405464448 is an equidigital number, since it uses as much as digits as its factorization.

1405464448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980205 (or 10980193 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The square root of 1405464448 is about 37489.5245101882. The cubic root of 1405464448 is about 1120.1425328807.

The spelling of 1405464448 in words is "one billion, four hundred five million, four hundred sixty-four thousand, four hundred forty-eight".