1376268448 has 12 divisors (see below), whose sum is σ = 2709528570. Its totient is φ = 688134208.

The previous prime is 1376268431. The next prime is 1376268451. The reversal of 1376268448 is 8448626731.

It can be written as a sum of positive squares in only one way, i.e., 1352179984 + 24088464 = 36772^2 + 4908^2 .

It is a super-2 number, since 2×1376268448² = 3788229681920657408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21504163 + ... + 21504226.

Almost surely, 2^1376268448 is an apocalyptic number.

It is an amenable number.

1376268448 is a deficient number, since it is larger than the sum of its proper divisors (1333260122).

1376268448 is an equidigital number, since it uses as much as digits as its factorization.

1376268448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43008399 (or 43008391 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 1376268448 is about 37098.0922420547. The cubic root of 1376268448 is about 1112.3318799606.

The spelling of 1376268448 in words is "one billion, three hundred seventy-six million, two hundred sixty-eight thousand, four hundred forty-eight".