42140223432 has 40 divisors (see below), whose sum is σ = 118031646150. Its totient is φ = 14046740928.

The previous prime is 42140223427. The next prime is 42140223469. The reversal of 42140223432 is 23432204124.

42140223432 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 0 + 223 + 432 = 666.

42140223432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40331082276 + 1809141156 = 200826^2 + 42534^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42140223396 and 42140223405.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32514957 + ... + 32516252.

Almost surely, 2^42140223432 is an apocalyptic number.

It is an amenable number.

42140223432 is an abundant number, since it is smaller than the sum of its proper divisors (75891422718).

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

42140223432 is a wasteful number, since it uses less digits than its factorization.

42140223432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65031227 (or 65031214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42140223432 its reverse (23432204124), we get a palindrome (65572427556).

The spelling of 42140223432 in words is "forty-two billion, one hundred forty million, two hundred twenty-three thousand, four hundred thirty-two".