4243903488 has 132 divisors (see below), whose sum is σ = 13368514848. Its totient is φ = 1286000640.

The previous prime is 4243903487. The next prime is 4243903553. The reversal of 4243903488 is 8843093424.

4243903488 is a `hidden beast` number, since 42 + 43 + 90 + 3 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (132).

It is a super-2 number, since 2×4243903488² = 36021433630917132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243903483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80445 + ... + 122307.

Almost surely, 2^4243903488 is an apocalyptic number.

4243903488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243903488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6684257424).

4243903488 is an abundant number, since it is smaller than the sum of its proper divisors (9124611360).

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

4243903488 is a wasteful number, since it uses less digits than its factorization.

4243903488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41900 (or 41879 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 4243903488 is about 65145.2491590906. The cubic root of 4243903488 is about 1619.0310071670.

The spelling of 4243903488 in words is "four billion, two hundred forty-three million, nine hundred three thousand, four hundred eighty-eight".