240004040202 has 20 divisors (see below), whose sum is σ = 537786831186. Its totient is φ = 80001346680.

The previous prime is 240004040183. The next prime is 240004040209. The reversal of 240004040202 is 202040400042.

240004040202 is a `hidden beast` number, since 240 + 0 + 0 + 404 + 0 + 20 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 184151698641 + 55852341561 = 429129^2 + 236331^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (240004040209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 740753049 + ... + 740753372.

Almost surely, 2^240004040202 is an apocalyptic number.

240004040202 is an abundant number, since it is smaller than the sum of its proper divisors (297782790984).

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

240004040202 is a wasteful number, since it uses less digits than its factorization.

240004040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481506435 (or 1481506426 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 240004040202 its reverse (202040400042), we get a palindrome (442044440244).

The spelling of 240004040202 in words is "two hundred forty billion, four million, forty thousand, two hundred two".