1169003640 has 256 divisors, whose sum is σ = 4307281920. Its totient is φ = 247726080.

The previous prime is 1169003617. The next prime is 1169003653. The reversal of 1169003640 is 463009611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1169003598 and 1169003607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1013304 + ... + 1014456.

It is an arithmetic number, because the mean of its divisors is an integer number (16825320).

Almost surely, 2^1169003640 is an apocalyptic number.

1169003640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1169003640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153640960).

1169003640 is an abundant number, since it is smaller than the sum of its proper divisors (3138278280).

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

1169003640 is a wasteful number, since it uses less digits than its factorization.

1169003640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1169003640 is about 34190.6952254557. The cubic root of 1169003640 is about 1053.4290433603.

The spelling of 1169003640 in words is "one billion, one hundred sixty-nine million, three thousand, six hundred forty".