1169828450 has 54 divisors (see below), whose sum is σ = 2534795073. Its totient is φ = 400503600.

The previous prime is 1169828417. The next prime is 1169828453. The reversal of 1169828450 is 548289611.

It can be written as a sum of positive squares in 2 ways, for example, as 1146431881 + 23396569 = 33859^2 + 4837^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24185.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1169828453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1692605 + ... + 1693295.

Almost surely, 2^1169828450 is an apocalyptic number.

1169828450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1169828450 is an abundant number, since it is smaller than the sum of its proper divisors (1364966623).

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

1169828450 is an frugal number, since it uses more digits than its factorization.

1169828450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1169828450 is about 34202.7550059933. The cubic root of 1169828450 is about 1053.6767399197.

The spelling of 1169828450 in words is "one billion, one hundred sixty-nine million, eight hundred twenty-eight thousand, four hundred fifty".