4252720318550 has 96 divisors (see below), whose sum is σ = 8700235336800. Its totient is φ = 1533726617600.

The previous prime is 4252720318547. The next prime is 4252720318559. The reversal of 4252720318550 is 558130272524.

It is a happy number.

4252720318550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252720318559) 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, 82633226 + ... + 82684674.

It is an arithmetic number, because the mean of its divisors is an integer number (90627451425).

Almost surely, 2^{4252720318550} is an apocalyptic number.

4252720318550 is an abundant number, since it is smaller than the sum of its proper divisors (4447515018250).

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

4252720318550 is a wasteful number, since it uses less digits than its factorization.

4252720318550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52706 (or 52701 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 4252720318550 in words is "four trillion, two hundred fifty-two billion, seven hundred twenty million, three hundred eighteen thousand, five hundred fifty".