1379518464 has 96 divisors (see below), whose sum is σ = 3712232160. Its totient is φ = 455540736.

The previous prime is 1379518451. The next prime is 1379518501. The reversal of 1379518464 is 4648159731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693279 + ... + 695265.

It is an arithmetic number, because the mean of its divisors is an integer number (38669085).

Almost surely, 2^1379518464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379518464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856116080).

1379518464 is an abundant number, since it is smaller than the sum of its proper divisors (2332713696).

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

1379518464 is a wasteful number, since it uses less digits than its factorization.

1379518464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2105 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 1379518464 is about 37141.8694198340. The cubic root of 1379518464 is about 1113.2067709247.

The spelling of 1379518464 in words is "one billion, three hundred seventy-nine million, five hundred eighteen thousand, four hundred sixty-four".