10401140238 has 16 divisors (see below), whose sum is σ = 20807646336. Its totient is φ = 3466152440.

The previous prime is 10401140231. The next prime is 10401140249. The reversal of 10401140238 is 83204110401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401140231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198156 + ... + 245087.

It is an arithmetic number, because the mean of its divisors is an integer number (1300477896).

Almost surely, 2^10401140238 is an apocalyptic number.

10401140238 is an abundant number, since it is smaller than the sum of its proper divisors (10406506098).

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

10401140238 is a wasteful number, since it uses less digits than its factorization.

10401140238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447159.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 10401140238 its reverse (83204110401), we get a palindrome (93605250639).

The spelling of 10401140238 in words is "ten billion, four hundred one million, one hundred forty thousand, two hundred thirty-eight".