1326488770 has 16 divisors (see below), whose sum is σ = 2432731320. Its totient is φ = 520584064.

The previous prime is 1326488731. The next prime is 1326488771. The reversal of 1326488770 is 778846231.

It can be written as a sum of positive squares in 4 ways, for example, as 1190043009 + 136445761 = 34497^2 + 11681^2 .

It is a super-2 number, since 2×1326488770² = 3519144913872225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1326488770.

It is not an unprimeable number, because it can be changed into a prime (1326488771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250875 + ... + 1251934.

Almost surely, 2^1326488770 is an apocalyptic number.

1326488770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326488770 is a deficient number, since it is larger than the sum of its proper divisors (1106242550).

1326488770 is a wasteful number, since it uses less digits than its factorization.

1326488770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502869.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1326488770 is about 36420.9935339496. The cubic root of 1326488770 is about 1098.7558302102.

The spelling of 1326488770 in words is "one billion, three hundred twenty-six million, four hundred eighty-eight thousand, seven hundred seventy".