10384668281940 has 48 divisors (see below), whose sum is σ = 29081438890560. Its totient is φ = 2768828903680.

The previous prime is 10384668281873. The next prime is 10384668281959. The reversal of 10384668281940 is 4918286648301.

It is a happy number.

It is a super-3 number, since 3×10384668281940³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12596241 + ... + 13395320.

It is an arithmetic number, because the mean of its divisors is an integer number (605863310220).

Almost surely, 2^{10384668281940} is an apocalyptic number.

10384668281940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10384668281940 is an abundant number, since it is smaller than the sum of its proper divisors (18696770608620).

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

10384668281940 is a wasteful number, since it uses less digits than its factorization.

10384668281940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25998232 (or 25998230 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 10384668281940 in words is "ten trillion, three hundred eighty-four billion, six hundred sixty-eight million, two hundred eighty-one thousand, nine hundred forty".