2440002 has 32 divisors (see below), whose sum is σ = 5198400. Its totient is φ = 762048.

The previous prime is 2439991. The next prime is 2440003. The reversal of 2440002 is 2000442.

It is a self number, because there is not a number n which added to its sum of digits gives 2440002.

It is not an unprimeable number, because it can be changed into a prime (2440003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6249 + ... + 6627.

It is an arithmetic number, because the mean of its divisors is an integer number (162450).

2^2440002 is an apocalyptic number.

2440002 is an abundant number, since it is smaller than the sum of its proper divisors (2758398).

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

2440002 is a wasteful number, since it uses less digits than its factorization.

2440002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2440002 is about 1562.0505753656. The cubic root of 2440002 is about 134.6263467284.

Adding to 2440002 its reverse (2000442), we get a palindrome (4440444).

The spelling of 2440002 in words is "two million, four hundred forty thousand, two".