1326269445 has 16 divisors (see below), whose sum is σ = 2233717440. Its totient is φ = 670114944.

The previous prime is 1326269443. The next prime is 1326269471. The reversal of 1326269445 is 5449626231.

It is not a de Polignac number, because 1326269445 - 2¹ = 1326269443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1326269397 and 1326269406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326269443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326504 + ... + 2327073.

It is an arithmetic number, because the mean of its divisors is an integer number (139607340).

Almost surely, 2^1326269445 is an apocalyptic number.

1326269445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1326269445 is a deficient number, since it is larger than the sum of its proper divisors (907447995).

1326269445 is a wasteful number, since it uses less digits than its factorization.

1326269445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653604.

The product of its digits is 311040, while the sum is 42.

The square root of 1326269445 is about 36417.9824399980. The cubic root of 1326269445 is about 1098.6952698519.

The spelling of 1326269445 in words is "one billion, three hundred twenty-six million, two hundred sixty-nine thousand, four hundred forty-five".