1378464848 has 20 divisors (see below), whose sum is σ = 2756930688. Its totient is φ = 666998880.

The previous prime is 1378464799. The next prime is 1378464851. The reversal of 1378464848 is 8484648731.

1378464848 is an admirable number.

It is a super-3 number, since 3×1378464848³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1378464848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389086 + ... + 1390077.

Almost surely, 2^1378464848 is an apocalyptic number.

It is an amenable number.

1378464848 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1378464848 is a wasteful number, since it uses less digits than its factorization.

1378464848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779202 (or 2779196 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The square root of 1378464848 is about 37127.6830410948. The cubic root of 1378464848 is about 1112.9232924927.

The spelling of 1378464848 in words is "one billion, three hundred seventy-eight million, four hundred sixty-four thousand, eight hundred forty-eight".