202400040231 has 12 divisors (see below), whose sum is σ = 292377995208. Its totient is φ = 134923030224.

The previous prime is 202400040221. The next prime is 202400040251. The reversal of 202400040231 is 132040004202.

202400040231 is a `hidden beast` number, since 20 + 240 + 0 + 0 + 402 + 3 + 1 = 666.

It is not a de Polignac number, because 202400040231 - 2¹⁰ = 202400039207 is a prime.

It is a super-2 number, since 2×202400040231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202400040211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735780 + ... + 972713.

It is an arithmetic number, because the mean of its divisors is an integer number (24364832934).

Almost surely, 2^202400040231 is an apocalyptic number.

202400040231 is a deficient number, since it is larger than the sum of its proper divisors (89977954977).

202400040231 is a wasteful number, since it uses less digits than its factorization.

202400040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721662 (or 1721659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202400040231 its reverse (132040004202), we get a palindrome (334440044433).

The spelling of 202400040231 in words is "two hundred two billion, four hundred million, forty thousand, two hundred thirty-one".