4493540142 has 96 divisors (see below), whose sum is σ = 12055260672. Its totient is φ = 1177941312.

The previous prime is 4493540083. The next prime is 4493540143. The reversal of 4493540142 is 2410453944.

4493540142 is a `hidden beast` number, since 449 + 35 + 40 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4493540097 and 4493540106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493540143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265333 + ... + 281759.

It is an arithmetic number, because the mean of its divisors is an integer number (125575632).

Almost surely, 2^4493540142 is an apocalyptic number.

4493540142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4493540142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6027630336).

4493540142 is an abundant number, since it is smaller than the sum of its proper divisors (7561720530).

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

4493540142 is a wasteful number, since it uses less digits than its factorization.

4493540142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622 (or 16619 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 4493540142 is about 67033.8730941306. The cubic root of 4493540142 is about 1650.1732468226.

The spelling of 4493540142 in words is "four billion, four hundred ninety-three million, five hundred forty thousand, one hundred forty-two".