2400202004 has 12 divisors (see below), whose sum is σ = 4200826644. Its totient is φ = 1199965824.

The previous prime is 2400202003. The next prime is 2400202009. The reversal of 2400202004 is 4002020042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 160073104 + 2240128900 = 12652^2 + 47330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2400202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400202003) 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, 13514 + ... + 70590.

It is an arithmetic number, because the mean of its divisors is an integer number (350068887).

Almost surely, 2^2400202004 is an apocalyptic number.

It is an amenable number.

2400202004 is a deficient number, since it is larger than the sum of its proper divisors (1800624640).

2400202004 is a wasteful number, since it uses less digits than its factorization.

2400202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67594 (or 67592 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2400202004 is about 48991.8565069747. The cubic root of 2400202004 is about 1338.9034624810.

Adding to 2400202004 its reverse (4002020042), we get a palindrome (6402222046).

It can be divided in two parts, 2 and 400202004, that multiplied together give a palindrome (800404008).

The spelling of 2400202004 in words is "two billion, four hundred million, two hundred two thousand, four".