4252321544 has 8 divisors (see below), whose sum is σ = 7973102910. Its totient is φ = 2126160768.

The previous prime is 4252321523. The next prime is 4252321559. The reversal of 4252321544 is 4451232524.

It can be written as a sum of positive squares in only one way, i.e., 3848713444 + 403608100 = 62038^2 + 20090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4252321544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265770089 + ... + 265770104.

Almost surely, 2^4252321544 is an apocalyptic number.

It is an amenable number.

4252321544 is a deficient number, since it is larger than the sum of its proper divisors (3720781366).

4252321544 is a wasteful number, since it uses less digits than its factorization.

4252321544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531540199 (or 531540195 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 4252321544 is about 65209.8270508364. The cubic root of 4252321544 is about 1620.1007842597.

The spelling of 4252321544 in words is "four billion, two hundred fifty-two million, three hundred twenty-one thousand, five hundred forty-four".