10109280 has 48 divisors (see below), whose sum is σ = 31845744. Its totient is φ = 2695680.

The previous prime is 10109279. The next prime is 10109287. The reversal of 10109280 is 8290101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109287) 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, 10051 + ... + 11010.

It is an arithmetic number, because the mean of its divisors is an integer number (663453).

Almost surely, 2^10109280 is an apocalyptic number.

10109280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10109280 is an abundant number, since it is smaller than the sum of its proper divisors (21736464).

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

10109280 is a wasteful number, since it uses less digits than its factorization.

10109280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079 (or 21071 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10109280 is about 3179.5093961176. The cubic root of 10109280 is about 216.2254162527.

Adding to 10109280 its reverse (8290101), we get a palindrome (18399381).

The spelling of 10109280 in words is "ten million, one hundred nine thousand, two hundred eighty".