4102240 has 24 divisors (see below), whose sum is σ = 9691920. Its totient is φ = 1640832.

The previous prime is 4102237. The next prime is 4102247. The reversal of 4102240 is 422014.

4102240 = 221² + 222² + ... + 284².

It is a self number, because there is not a number n which added to its sum of digits gives 4102240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12660 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (403830).

Almost surely, 2^4102240 is an apocalyptic number.

4102240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4102240 is an abundant number, since it is smaller than the sum of its proper divisors (5589680).

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

4102240 is a wasteful number, since it uses less digits than its factorization.

4102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25654 (or 25646 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4102240 is about 2025.3987261771. The cubic root of 4102240 is about 160.0812087751.

Adding to 4102240 its reverse (422014), we get a palindrome (4524254).

The spelling of 4102240 in words is "four million, one hundred two thousand, two hundred forty".