4242261620 has 12 divisors (see below), whose sum is σ = 8908749444. Its totient is φ = 1696904640.

The previous prime is 4242261599. The next prime is 4242261623. The reversal of 4242261620 is 261622424.

It can be written as a sum of positive squares in 2 ways, for example, as 3194962576 + 1047299044 = 56524^2 + 32362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242261623) 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, 106056521 + ... + 106056560.

It is an arithmetic number, because the mean of its divisors is an integer number (742395787).

Almost surely, 2^4242261620 is an apocalyptic number.

It is an amenable number.

4242261620 is an abundant number, since it is smaller than the sum of its proper divisors (4666487824).

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

4242261620 is a wasteful number, since it uses less digits than its factorization.

4242261620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212113090 (or 212113088 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4242261620 is about 65132.6463457458. The cubic root of 4242261620 is about 1618.8221916990.

The spelling of 4242261620 in words is "four billion, two hundred forty-two million, two hundred sixty-one thousand, six hundred twenty".