1163340444 has 48 divisors (see below), whose sum is σ = 3103930368. Its totient is φ = 332202048.

The previous prime is 1163340443. The next prime is 1163340457. The reversal of 1163340444 is 4440433611.

It is a super-2 number, since 2×1163340444² = 2706721977292234272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163340443) 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, 263842 + ... + 268214.

It is an arithmetic number, because the mean of its divisors is an integer number (64665216).

Almost surely, 2^1163340444 is an apocalyptic number.

1163340444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1163340444 is an abundant number, since it is smaller than the sum of its proper divisors (1940589924).

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

1163340444 is a wasteful number, since it uses less digits than its factorization.

1163340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 7552 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1163340444 is about 34107.7768844585. The cubic root of 1163340444 is about 1051.7251892938.

The spelling of 1163340444 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, four hundred forty-four".