10163000440 has 64 divisors (see below), whose sum is σ = 24098112000. Its totient is φ = 3846787200.

The previous prime is 10163000431. The next prime is 10163000443. The reversal of 10163000440 is 4400036101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10163000443) 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, 691165 + ... + 705715.

It is an arithmetic number, because the mean of its divisors is an integer number (376533000).

Almost surely, 2^10163000440 is an apocalyptic number.

10163000440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10163000440 is the 58204-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10163000440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12049056000).

10163000440 is an abundant number, since it is smaller than the sum of its proper divisors (13935111560).

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

10163000440 is a wasteful number, since it uses less digits than its factorization.

10163000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500 (or 15496 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10163000440 its reverse (4400036101), we get a palindrome (14563036541).

The spelling of 10163000440 in words is "ten billion, one hundred sixty-three million, four hundred forty", and thus it is an aban number.