1379544448 has 32 divisors (see below), whose sum is σ = 2756698920. Its totient is φ = 687667200.

The previous prime is 1379544433. The next prime is 1379544449. The reversal of 1379544448 is 8444459731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379544449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26088 + ... + 58648.

Almost surely, 2^1379544448 is an apocalyptic number.

It is an amenable number.

1379544448 is a deficient number, since it is larger than the sum of its proper divisors (1377154472).

1379544448 is an equidigital number, since it uses as much as digits as its factorization.

1379544448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32906 (or 32894 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 1379544448 is about 37142.2192121042. The cubic root of 1379544448 is about 1113.2137601710.

The spelling of 1379544448 in words is "one billion, three hundred seventy-nine million, five hundred forty-four thousand, four hundred forty-eight".