1169949840 has 40 divisors (see below), whose sum is σ = 3626845248. Its totient is φ = 311986560.

The previous prime is 1169949839. The next prime is 1169949841. The reversal of 1169949840 is 489499611.

It is an interprime number because it is at equal distance from previous prime (1169949839) and next prime (1169949841).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1169949841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437156 + ... + 2437635.

Almost surely, 2^1169949840 is an apocalyptic number.

1169949840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1169949840 is an abundant number, since it is smaller than the sum of its proper divisors (2456895408).

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

1169949840 is a wasteful number, since it uses less digits than its factorization.

1169949840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874807 (or 4874801 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 1169949840 is about 34204.5295246112. The cubic root of 1169949840 is about 1053.7131844074.

The spelling of 1169949840 in words is "one billion, one hundred sixty-nine million, nine hundred forty-nine thousand, eight hundred forty".