4242060644 has 12 divisors (see below), whose sum is σ = 7429655100. Its totient is φ = 2119302048.

The previous prime is 4242060611. The next prime is 4242060649. The reversal of 4242060644 is 4460602424.

It can be written as a sum of positive squares in 2 ways, for example, as 2017806400 + 2224254244 = 44920^2 + 47162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4242060644.

It is not an unprimeable number, because it can be changed into a prime (4242060649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426539 + ... + 436370.

It is an arithmetic number, because the mean of its divisors is an integer number (619137925).

Almost surely, 2^4242060644 is an apocalyptic number.

It is an amenable number.

4242060644 is a deficient number, since it is larger than the sum of its proper divisors (3187594456).

4242060644 is a wasteful number, since it uses less digits than its factorization.

4242060644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864142 (or 864140 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 4242060644 is about 65131.1035066964. The cubic root of 4242060644 is about 1618.7966275404.

The spelling of 4242060644 in words is "four billion, two hundred forty-two million, sixty thousand, six hundred forty-four".