11928268340 has 12 divisors (see below), whose sum is σ = 25049363556. Its totient is φ = 4771307328.

The previous prime is 11928268333. The next prime is 11928268357. The reversal of 11928268340 is 4386282911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7611515536 + 4316752804 = 87244^2 + 65702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11928268291 and 11928268300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298206689 + ... + 298206728.

It is an arithmetic number, because the mean of its divisors is an integer number (2087446963).

Almost surely, 2^11928268340 is an apocalyptic number.

11928268340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11928268340 is an abundant number, since it is smaller than the sum of its proper divisors (13121095216).

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

11928268340 is a wasteful number, since it uses less digits than its factorization.

11928268340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596413426 (or 596413424 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 11928268340 in words is "eleven billion, nine hundred twenty-eight million, two hundred sixty-eight thousand, three hundred forty".