4252720505144 has 128 divisors (see below), whose sum is σ = 8668325376000. Its totient is φ = 1950164536320.

The previous prime is 4252720505119. The next prime is 4252720505177. The reversal of 4252720505144 is 4415050272524.

4252720505144 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427447082 + ... + 427457030.

It is an arithmetic number, because the mean of its divisors is an integer number (67721292000).

Almost surely, 2^{4252720505144} is an apocalyptic number.

It is an amenable number.

4252720505144 is an abundant number, since it is smaller than the sum of its proper divisors (4415604870856).

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

4252720505144 is a wasteful number, since it uses less digits than its factorization.

4252720505144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693 (or 10689 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 41.

Adding to 4252720505144 its reverse (4415050272524), we get a palindrome (8667770777668).

The spelling of 4252720505144 in words is "four trillion, two hundred fifty-two billion, seven hundred twenty million, five hundred five thousand, one hundred forty-four".