10388396140 has 24 divisors (see below), whose sum is σ = 21857526432. Its totient is φ = 4147378560.

The previous prime is 10388396111. The next prime is 10388396189. The reversal of 10388396140 is 4169388301.

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, 488064 + ... + 508903.

It is an arithmetic number, because the mean of its divisors is an integer number (910730268).

Almost surely, 2^10388396140 is an apocalyptic number.

10388396140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10388396140 is an abundant number, since it is smaller than the sum of its proper divisors (11469130292).

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

10388396140 is a wasteful number, since it uses less digits than its factorization.

10388396140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997497 (or 997495 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 10388396140 in words is "ten billion, three hundred eighty-eight million, three hundred ninety-six thousand, one hundred forty".