10394450838 has 48 divisors (see below), whose sum is σ = 22649159520. Its totient is φ = 3445198848.

The previous prime is 10394450827. The next prime is 10394450861. The reversal of 10394450838 is 83805449301.

10394450838 is a `hidden beast` number, since 103 + 9 + 4 + 4 + 508 + 38 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10394450793 and 10394450802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3130143 + ... + 3133461.

It is an arithmetic number, because the mean of its divisors is an integer number (471857490).

Almost surely, 2^10394450838 is an apocalyptic number.

10394450838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10394450838 is an abundant number, since it is smaller than the sum of its proper divisors (12254708682).

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

10394450838 is a wasteful number, since it uses less digits than its factorization.

10394450838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 10394450838 in words is "ten billion, three hundred ninety-four million, four hundred fifty thousand, eight hundred thirty-eight".