4200140172 has 24 divisors (see below), whose sum is σ = 9809243136. Its totient is φ = 1398773008.

The previous prime is 4200140159. The next prime is 4200140179. The reversal of 4200140172 is 2710410024.

It is a happy number.

4200140172 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4200140179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145428 + ... + 171899.

It is an arithmetic number, because the mean of its divisors is an integer number (408718464).

Almost surely, 2^4200140172 is an apocalyptic number.

It is an amenable number.

4200140172 is an abundant number, since it is smaller than the sum of its proper divisors (5609102964).

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

4200140172 is a wasteful number, since it uses less digits than its factorization.

4200140172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318437 (or 318435 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 4200140172 is about 64808.4884255141. The cubic root of 4200140172 is about 1613.4465948344.

Adding to 4200140172 its reverse (2710410024), we get a palindrome (6910550196).

The spelling of 4200140172 in words is "four billion, two hundred million, one hundred forty thousand, one hundred seventy-two".