10100440 has 32 divisors (see below), whose sum is σ = 25973280. Its totient is φ = 3462912.

The previous prime is 10100429. The next prime is 10100443. The reversal of 10100440 is 4400101.

10100440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17757 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (811665).

Almost surely, 2^10100440 is an apocalyptic number.

10100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100440 is an abundant number, since it is smaller than the sum of its proper divisors (15872840).

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

10100440 is a wasteful number, since it uses less digits than its factorization.

10100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36091 (or 36087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10100440 is about 3178.1189405055. The cubic root of 10100440 is about 216.1623721949.

Adding to 10100440 its reverse (4400101), we get a palindrome (14500541).

The spelling of 10100440 in words is "ten million, one hundred thousand, four hundred forty".