10939442688 has 400 divisors, whose sum is σ = 34477031424. Its totient is φ = 3448811520.

The previous prime is 10939442677. The next prime is 10939442713. The reversal of 10939442688 is 88624493901.

10939442688 is a `hidden beast` number, since 109 + 39 + 4 + 426 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86137281 + ... + 86137407.

Almost surely, 2^10939442688 is an apocalyptic number.

10939442688 is a gapful number since it is divisible by the number (18) 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 10939442688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17238515712).

10939442688 is an abundant number, since it is smaller than the sum of its proper divisors (23537588736).

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

10939442688 is an equidigital number, since it uses as much as digits as its factorization.

10939442688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 10939442688 in words is "ten billion, nine hundred thirty-nine million, four hundred forty-two thousand, six hundred eighty-eight".