10281381192 has 80 divisors (see below), whose sum is σ = 28833235200. Its totient is φ = 3422861280.

The previous prime is 10281381163. The next prime is 10281381203. The reversal of 10281381192 is 29118318201.

It is a happy number.

10281381192 is a `hidden beast` number, since 10 + 2 + 81 + 381 + 192 = 666.

It is a super-2 number, since 2×10281381192² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 534217 + ... + 553127.

It is an arithmetic number, because the mean of its divisors is an integer number (360415440).

Almost surely, 2^10281381192 is an apocalyptic number.

10281381192 is a gapful number since it is divisible by the number (12) 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 10281381192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14416617600).

10281381192 is an abundant number, since it is smaller than the sum of its proper divisors (18551854008).

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

10281381192 is a wasteful number, since it uses less digits than its factorization.

10281381192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19768 (or 19755 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

Adding to 10281381192 its reverse (29118318201), we get a palindrome (39399699393).

The spelling of 10281381192 in words is "ten billion, two hundred eighty-one million, three hundred eighty-one thousand, one hundred ninety-two".