42140040100 has 36 divisors (see below), whose sum is σ = 91505623300. Its totient is φ = 16844636160.

The previous prime is 42140040097. The next prime is 42140040149. The reversal of 42140040100 is 104004124.

It can be written as a sum of positive squares in 6 ways, for example, as 23970816 + 42116069284 = 4896^2 + 205222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7396 + ... + 290404.

Almost surely, 2^42140040100 is an apocalyptic number.

It is an amenable number.

42140040100 is an abundant number, since it is smaller than the sum of its proper divisors (49365583200).

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

42140040100 is a wasteful number, since it uses less digits than its factorization.

42140040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284512 (or 284505 counting only the distinct ones).

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

Adding to 42140040100 its reverse (104004124), we get a palindrome (42244044224).

The spelling of 42140040100 in words is "forty-two billion, one hundred forty million, forty thousand, one hundred".