11390046660 has 576 divisors, whose sum is σ = 40859320320. Its totient is φ = 2648194560.

The previous prime is 11390046643. The next prime is 11390046667. The reversal of 11390046660 is 6664009311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11390046667) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 65838334 + ... + 65838506.

It is an arithmetic number, because the mean of its divisors is an integer number (70936320).

Almost surely, 2^11390046660 is an apocalyptic number.

11390046660 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 11390046660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20429660160).

11390046660 is an abundant number, since it is smaller than the sum of its proper divisors (29469273660).

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

11390046660 is a wasteful number, since it uses less digits than its factorization.

11390046660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 11390046660 in words is "eleven billion, three hundred ninety million, forty-six thousand, six hundred sixty".