10506378388 has 24 divisors (see below), whose sum is σ = 20104205184. Its totient is φ = 4764537600.

The previous prime is 10506378373. The next prime is 10506378397. The reversal of 10506378388 is 88387360501.

It is a super-2 number, since 2×10506378388² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 258045 + ... + 295972.

It is an arithmetic number, because the mean of its divisors is an integer number (837675216).

Almost surely, 2^10506378388 is an apocalyptic number.

It is an amenable number.

10506378388 is a deficient number, since it is larger than the sum of its proper divisors (9597826796).

10506378388 is a wasteful number, since it uses less digits than its factorization.

10506378388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554463 (or 554461 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 10506378388 in words is "ten billion, five hundred six million, three hundred seventy-eight thousand, three hundred eighty-eight".