4398240252 has 48 divisors (see below), whose sum is σ = 11836267520. Its totient is φ = 1245108672.

The previous prime is 4398240173. The next prime is 4398240263. The reversal of 4398240252 is 2520428934.

It is a self number, because there is not a number n which added to its sum of digits gives 4398240252.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 231028 + ... + 249339.

Almost surely, 2^4398240252 is an apocalyptic number.

4398240252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4398240252 is an abundant number, since it is smaller than the sum of its proper divisors (7438027268).

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

4398240252 is a wasteful number, since it uses less digits than its factorization.

4398240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480490 (or 480488 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 4398240252 is about 66319.2298809327. The cubic root of 4398240252 is about 1638.4240576828.

It can be divided in two parts, 4398 and 240252, that added together give a triangular number (244650 = T₆₉₉).

The spelling of 4398240252 in words is "four billion, three hundred ninety-eight million, two hundred forty thousand, two hundred fifty-two".