10400065396 has 48 divisors (see below), whose sum is σ = 21109334400. Its totient is φ = 4391376768.

The previous prime is 10400065387. The next prime is 10400065421. The reversal of 10400065396 is 69356000401.

It is a super-2 number, since 2×10400065396² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 536790 + ... + 555826.

It is an arithmetic number, because the mean of its divisors is an integer number (439777800).

Almost surely, 2^10400065396 is an apocalyptic number.

It is an amenable number.

10400065396 is an abundant number, since it is smaller than the sum of its proper divisors (10709269004).

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

10400065396 is a wasteful number, since it uses less digits than its factorization.

10400065396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336 (or 19334 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 10400065396 its reverse (69356000401), we get a palindrome (79756065797).

The spelling of 10400065396 in words is "ten billion, four hundred million, sixty-five thousand, three hundred ninety-six".