11446131340 has 48 divisors (see below), whose sum is σ = 27613115712. Its totient is φ = 3904045056.

The previous prime is 11446131293. The next prime is 11446131341. The reversal of 11446131340 is 4313164411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11446131299 and 11446131308.

It is not an unprimeable number, because it can be changed into a prime (11446131341) 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, 184789 + ... + 238828.

It is an arithmetic number, because the mean of its divisors is an integer number (575273244).

Almost surely, 2^11446131340 is an apocalyptic number.

11446131340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11446131340 is an abundant number, since it is smaller than the sum of its proper divisors (16166984372).

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

11446131340 is a wasteful number, since it uses less digits than its factorization.

11446131340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423826 (or 423824 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11446131340 its reverse (4313164411), we get a palindrome (15759295751).

The spelling of 11446131340 in words is "eleven billion, four hundred forty-six million, one hundred thirty-one thousand, three hundred forty".