1366048450 has 24 divisors (see below), whose sum is σ = 2736301428. Its totient is φ = 504386880.

The previous prime is 1366048363. The next prime is 1366048507. The reversal of 1366048450 is 548406631.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 42471289 + 1323577161 = 6517^2 + 36381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050157 + ... + 1051456.

Almost surely, 2^1366048450 is an apocalyptic number.

1366048450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366048450 is an abundant number, since it is smaller than the sum of its proper divisors (1370252978).

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

1366048450 is a wasteful number, since it uses less digits than its factorization.

1366048450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101638 (or 2101633 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1366048450 is about 36960.0926676327. The cubic root of 1366048450 is about 1109.5716903912.

The spelling of 1366048450 in words is "one billion, three hundred sixty-six million, forty-eight thousand, four hundred fifty".