4200745642 has 16 divisors (see below), whose sum is σ = 6694574760. Its totient is φ = 1973135808.

The previous prime is 4200745639. The next prime is 4200745643. The reversal of 4200745642 is 2465470024.

4200745642 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 4 ways, for example, as 4156509841 + 44235801 = 64471^2 + 6651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4200745598 and 4200745607.

It is not an unprimeable number, because it can be changed into a prime (4200745643) 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, 976593 + ... + 980884.

Almost surely, 2^4200745642 is an apocalyptic number.

4200745642 is a deficient number, since it is larger than the sum of its proper divisors (2493829118).

4200745642 is a wasteful number, since it uses less digits than its factorization.

4200745642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957545.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 4200745642 is about 64813.1594816979. The cubic root of 4200745642 is about 1613.5241197528.

The spelling of 4200745642 in words is "four billion, two hundred million, seven hundred forty-five thousand, six hundred forty-two".