1163262044 has 24 divisors (see below), whose sum is σ = 2355978240. Its totient is φ = 492229296.

The previous prime is 1163262041. The next prime is 1163262143. The reversal of 1163262044 is 4402623611.

It is a super-2 number, since 2×1163262044² = 2706357166022115872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1163261998 and 1163262016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163262041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260732 + ... + 265155.

It is an arithmetic number, because the mean of its divisors is an integer number (98165760).

Almost surely, 2^1163262044 is an apocalyptic number.

1163262044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1163262044 is an abundant number, since it is smaller than the sum of its proper divisors (1192716196).

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

1163262044 is a wasteful number, since it uses less digits than its factorization.

1163262044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525977 (or 525975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1163262044 is about 34106.6275670873. The cubic root of 1163262044 is about 1051.7015627600.

Adding to 1163262044 its reverse (4402623611), we get a palindrome (5565885655).

The spelling of 1163262044 in words is "one billion, one hundred sixty-three million, two hundred sixty-two thousand, forty-four".