1379626768 has 30 divisors (see below), whose sum is σ = 2894466714. Its totient is φ = 636749568.

The previous prime is 1379626763. The next prime is 1379626769. The reversal of 1379626768 is 8676269731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3810304 + 1375816464 = 1952^2 + 37092^2 .

It is not an unprimeable number, because it can be changed into a prime (1379626763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252405 + ... + 257812.

Almost surely, 2^1379626768 is an apocalyptic number.

It is an amenable number.

1379626768 is an abundant number, since it is smaller than the sum of its proper divisors (1514839946).

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

1379626768 is a wasteful number, since it uses less digits than its factorization.

1379626768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510251 (or 510232 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The square root of 1379626768 is about 37143.3273684521. The cubic root of 1379626768 is about 1113.2359022470.

The spelling of 1379626768 in words is "one billion, three hundred seventy-nine million, six hundred twenty-six thousand, seven hundred sixty-eight".