10195440 has 80 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 2599168.

The previous prime is 10195439. The next prime is 10195441. The reversal of 10195440 is 4459101.

10195440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10195439) and next prime (10195441).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10195440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10195441) 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, 4597 + ... + 6443.

Almost surely, 2^10195440 is an apocalyptic number.

10195440 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 10195440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498944).

10195440 is an abundant number, since it is smaller than the sum of its proper divisors (22802448).

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

10195440 is a wasteful number, since it uses less digits than its factorization.

10195440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10195440 is about 3193.0299090362. The cubic root of 10195440 is about 216.8379657825.

The spelling of 10195440 in words is "ten million, one hundred ninety-five thousand, four hundred forty".