42011040202 has 4 divisors (see below), whose sum is σ = 63016560306. Its totient is φ = 21005520100.

The previous prime is 42011040199. The next prime is 42011040223. The reversal of 42011040202 is 20204011024.

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

It can be written as a sum of positive squares in only one way, i.e., 32198354721 + 9812685481 = 179439^2 + 99059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502760049 + ... + 10502760052.

Almost surely, 2^42011040202 is an apocalyptic number.

42011040202 is a deficient number, since it is larger than the sum of its proper divisors (21005520104).

42011040202 is a wasteful number, since it uses less digits than its factorization.

42011040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005520103.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 42011040202 its reverse (20204011024), we get a palindrome (62215051226).

The spelling of 42011040202 in words is "forty-two billion, eleven million, forty thousand, two hundred two".