10104240 has 40 divisors (see below), whose sum is σ = 31323888. Its totient is φ = 2694400.

The previous prime is 10104221. The next prime is 10104253. The reversal of 10104240 is 4240101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20811 + ... + 21290.

Almost surely, 2^10104240 is an apocalyptic number.

10104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10104240 is an abundant number, since it is smaller than the sum of its proper divisors (21219648).

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

10104240 is a wasteful number, since it uses less digits than its factorization.

10104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42117 (or 42111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10104240 is about 3178.7167222010. The cubic root of 10104240 is about 216.1894770875.

Adding to 10104240 its reverse (4240101), we get a palindrome (14344341).

The spelling of 10104240 in words is "ten million, one hundred four thousand, two hundred forty".