11794035640 has 64 divisors (see below), whose sum is σ = 27288453600. Its totient is φ = 4584273408.

The previous prime is 11794035601. The next prime is 11794035647. The reversal of 11794035640 is 4653049711.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11794035593 and 11794035602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11794035647) 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, 1266682 + ... + 1275958.

Almost surely, 2^11794035640 is an apocalyptic number.

11794035640 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 11794035640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13644226800).

11794035640 is an abundant number, since it is smaller than the sum of its proper divisors (15494417960).

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

11794035640 is a wasteful number, since it uses less digits than its factorization.

11794035640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 11794035640 in words is "eleven billion, seven hundred ninety-four million, thirty-five thousand, six hundred forty".