202404240040 has 16 divisors (see below), whose sum is σ = 455409540180. Its totient is φ = 80961696000.

The previous prime is 202404240013. The next prime is 202404240043. The reversal of 202404240040 is 40042404202.

202404240040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202332634596 + 71605444 = 449814^2 + 8462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202404239993 and 202404240020.

It is not an unprimeable number, because it can be changed into a prime (202404240043) 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, 2530052961 + ... + 2530053040.

Almost surely, 2^202404240040 is an apocalyptic number.

202404240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202404240040 is an abundant number, since it is smaller than the sum of its proper divisors (253005300140).

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

202404240040 is a wasteful number, since it uses less digits than its factorization.

202404240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060106012 (or 5060106008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202404240040 its reverse (40042404202), we get a palindrome (242446644242).

The spelling of 202404240040 in words is "two hundred two billion, four hundred four million, two hundred forty thousand, forty".