10268400538 has 16 divisors (see below), whose sum is σ = 16811847360. Its totient is φ = 4664952000.

The previous prime is 10268400523. The next prime is 10268400551. The reversal of 10268400538 is 83500486201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10268400497 and 10268400506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82863 + ... + 165538.

It is an arithmetic number, because the mean of its divisors is an integer number (1050740460).

Almost surely, 2^10268400538 is an apocalyptic number.

10268400538 is a deficient number, since it is larger than the sum of its proper divisors (6543446822).

10268400538 is a wasteful number, since it uses less digits than its factorization.

10268400538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250293.

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 10268400538 its reverse (83500486201), we get a palindrome (93768886739).

The spelling of 10268400538 in words is "ten billion, two hundred sixty-eight million, four hundred thousand, five hundred thirty-eight".