42143440100 has 36 divisors (see below), whose sum is σ = 91979922804. Its totient is φ = 16759927680.

The previous prime is 42143440051. The next prime is 42143440177. The reversal of 42143440100 is 104434124.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3189312676 + 38954127424 = 56474^2 + 197368^2 .

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, 1200719 + ... + 1235318.

Almost surely, 2^42143440100 is an apocalyptic number.

It is an amenable number.

42143440100 is an abundant number, since it is smaller than the sum of its proper divisors (49836482704).

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

42143440100 is a wasteful number, since it uses less digits than its factorization.

42143440100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436224 (or 2436217 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42143440100 its reverse (104434124), we get a palindrome (42247874224).

The spelling of 42143440100 in words is "forty-two billion, one hundred forty-three million, four hundred forty thousand, one hundred".