202140433240 has 64 divisors (see below), whose sum is σ = 481639413600. Its totient is φ = 76088936448.

The previous prime is 202140433193. The next prime is 202140433241. The reversal of 202140433240 is 42334041202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140433241) 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, 5883231 + ... + 5917489.

Almost surely, 2^202140433240 is an apocalyptic number.

202140433240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202140433240 is an abundant number, since it is smaller than the sum of its proper divisors (279498980360).

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

202140433240 is a wasteful number, since it uses less digits than its factorization.

202140433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42964 (or 42960 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202140433240 its reverse (42334041202), we get a palindrome (244474474442).

The spelling of 202140433240 in words is "two hundred two billion, one hundred forty million, four hundred thirty-three thousand, two hundred forty".