10940945238 has 144 divisors (see below), whose sum is σ = 26563393584. Its totient is φ = 3373539840.

The previous prime is 10940945209. The next prime is 10940945263. The reversal of 10940945238 is 83254904901.

10940945238 is a `hidden beast` number, since 1 + 0 + 9 + 409 + 4 + 5 + 238 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 10940945193 and 10940945202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8567056 + ... + 8568332.

It is an arithmetic number, because the mean of its divisors is an integer number (184468011).

Almost surely, 2^10940945238 is an apocalyptic number.

10940945238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10940945238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13281696792).

10940945238 is an abundant number, since it is smaller than the sum of its proper divisors (15622448346).

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

10940945238 is a wasteful number, since it uses less digits than its factorization.

10940945238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 10940945238 in words is "ten billion, nine hundred forty million, nine hundred forty-five thousand, two hundred thirty-eight".