1269324416 has 16 divisors (see below), whose sum is σ = 2528732490. Its totient is φ = 634662144.

The previous prime is 1269324389. The next prime is 1269324449. The reversal of 1269324416 is 6144239621.

It can be written as a sum of positive squares in only one way, i.e., 841000000 + 428324416 = 29000^2 + 20696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1269324416² = 3222368946107482112, 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 1269324416.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958171 + ... + 4958426.

Almost surely, 2^1269324416 is an apocalyptic number.

1269324416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1269324416 is a deficient number, since it is larger than the sum of its proper divisors (1259408074).

1269324416 is an frugal number, since it uses more digits than its factorization.

1269324416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916611 (or 9916599 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 1269324416 is about 35627.5794294252. The cubic root of 1269324416 is about 1082.7400747247.

The spelling of 1269324416 in words is "one billion, two hundred sixty-nine million, three hundred twenty-four thousand, four hundred sixteen".