42040020200 has 48 divisors (see below), whose sum is σ = 97778866380. Its totient is φ = 16809845760.

The previous prime is 42040020193. The next prime is 42040020203. The reversal of 42040020200 is 202004024.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2192674276 + 39847345924 = 46826^2 + 199618^2 .

It is not an unprimeable number, because it can be changed into a prime (42040020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529502 + ... + 603698.

Almost surely, 2^42040020200 is an apocalyptic number.

42040020200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42040020200 is an abundant number, since it is smaller than the sum of its proper divisors (55738846180).

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

42040020200 is a wasteful number, since it uses less digits than its factorization.

42040020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77046 (or 77037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 42040020200 its reverse (202004024), we get a palindrome (42242024224).

The spelling of 42040020200 in words is "forty-two billion, forty million, twenty thousand, two hundred".