200540403142 has 4 divisors (see below), whose sum is σ = 300810604716. Its totient is φ = 100270201570.

The previous prime is 200540403127. The next prime is 200540403143. The reversal of 200540403142 is 241304045002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200540403143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50135100784 + ... + 50135100787.

It is an arithmetic number, because the mean of its divisors is an integer number (75202651179).

Almost surely, 2^200540403142 is an apocalyptic number.

200540403142 is a deficient number, since it is larger than the sum of its proper divisors (100270201574).

200540403142 is a wasteful number, since it uses less digits than its factorization.

200540403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100270201573.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 200540403142 its reverse (241304045002), we get a palindrome (441844448144).

The spelling of 200540403142 in words is "two hundred billion, five hundred forty million, four hundred three thousand, one hundred forty-two".