10390381265388 has 48 divisors (see below), whose sum is σ = 25696101813984. Its totient is φ = 3256457856000.

The previous prime is 10390381265357. The next prime is 10390381265389. The reversal of 10390381265388 is 88356218309301.

It is a happy number.

10390381265388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10390381265389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25339863 + ... + 25746638.

It is an arithmetic number, because the mean of its divisors is an integer number (535335454458).

Almost surely, 2^{10390381265388} is an apocalyptic number.

It is an amenable number.

10390381265388 is an abundant number, since it is smaller than the sum of its proper divisors (15305720548596).

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

10390381265388 is a wasteful number, since it uses less digits than its factorization.

10390381265388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51087522 (or 51087520 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 10390381265388 in words is "ten trillion, three hundred ninety billion, three hundred eighty-one million, two hundred sixty-five thousand, three hundred eighty-eight".