6912383940 has 864 divisors, whose sum is σ = 29343928320. Its totient is φ = 1341204480.

The previous prime is 6912383921. The next prime is 6912383941. The reversal of 6912383940 is 493832196.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6912383941) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 54428157 + ... + 54428283.

It is an arithmetic number, because the mean of its divisors is an integer number (33962880).

Almost surely, 2^6912383940 is an apocalyptic number.

6912383940 is a gapful number since it is divisible by the number (60) 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 6912383940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14671964160).

6912383940 is an abundant number, since it is smaller than the sum of its proper divisors (22431544380).

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

6912383940 is a wasteful number, since it uses less digits than its factorization.

6912383940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 6912383940 is about 83140.7477714748. The cubic root of 6912383940 is about 1904.9165317759.

The spelling of 6912383940 in words is "six billion, nine hundred twelve million, three hundred eighty-three thousand, nine hundred forty".