4253990784 has 128 divisors (see below), whose sum is σ = 11999508480. Its totient is φ = 1330667520.

The previous prime is 4253990771. The next prime is 4253990803. The reversal of 4253990784 is 4870993524.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2891169 + ... + 2892639.

It is an arithmetic number, because the mean of its divisors is an integer number (93746160).

Almost surely, 2^4253990784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4253990784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999754240).

4253990784 is an abundant number, since it is smaller than the sum of its proper divisors (7745517696).

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

4253990784 is a wasteful number, since it uses less digits than its factorization.

4253990784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 4253990784 is about 65222.6247861890. The cubic root of 4253990784 is about 1620.3127455944.

The spelling of 4253990784 in words is "four billion, two hundred fifty-three million, nine hundred ninety thousand, seven hundred eighty-four".