4040010 has 64 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 993600.

The previous prime is 4040009. The next prime is 4040011. The reversal of 4040010 is 100404.

It is an interprime number because it is at equal distance from previous prime (4040009) and next prime (4040011).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 4039974 and 4040001.

It is not an unprimeable number, because it can be changed into a prime (4040011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2935 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^4040010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

4040010 is an abundant number, since it is smaller than the sum of its proper divisors (7572150).

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

4040010 is a wasteful number, since it uses less digits than its factorization.

4040010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4040010 is about 2009.9776118156. The cubic root of 4040010 is about 159.2676162445.

Adding to 4040010 its reverse (100404), we get a palindrome (4140414).

The spelling of 4040010 in words is "four million, forty thousand, ten".