4388267136 has 128 divisors (see below), whose sum is σ = 12769747200. Its totient is φ = 1324160000.

The previous prime is 4388267111. The next prime is 4388267173. The reversal of 4388267136 is 6317628834.

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 (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058155 + ... + 1062293.

It is an arithmetic number, because the mean of its divisors is an integer number (99763650).

Almost surely, 2^4388267136 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 4388267136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6384873600).

4388267136 is an abundant number, since it is smaller than the sum of its proper divisors (8381480064).

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

4388267136 is a wasteful number, since it uses less digits than its factorization.

4388267136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4406 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 4388267136 is about 66243.9969808586. The cubic root of 4388267136 is about 1637.1847317688.

The spelling of 4388267136 in words is "four billion, three hundred eighty-eight million, two hundred sixty-seven thousand, one hundred thirty-six".