10388367221540 has 192 divisors, whose sum is σ = 28128955760640. Its totient is φ = 3128924298240.

The previous prime is 10388367221503. The next prime is 10388367221569. The reversal of 10388367221540 is 4512276388301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4809632 + ... + 6626408.

It is an arithmetic number, because the mean of its divisors is an integer number (146504977920).

Almost surely, 2^{10388367221540} is an apocalyptic number.

10388367221540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10388367221540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14064477880320).

10388367221540 is an abundant number, since it is smaller than the sum of its proper divisors (17740588539100).

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

10388367221540 is a wasteful number, since it uses less digits than its factorization.

10388367221540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816930 (or 1816928 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 10388367221540 in words is "ten trillion, three hundred eighty-eight billion, three hundred sixty-seven million, two hundred twenty-one thousand, five hundred forty".