4026439872 has 504 divisors, whose sum is σ = 15082479360. Its totient is φ = 1002792960.

The previous prime is 4026439829. The next prime is 4026439883. The reversal of 4026439872 is 2789346204.

It is a tau number, because it is divible by the number of its divisors (504).

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 71 ways as a sum of consecutive naturals, for example, 12946597 + ... + 12946907.

Almost surely, 2^4026439872 is an apocalyptic number.

4026439872 is a gapful number since it is divisible by the number (42) 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 4026439872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7541239680).

4026439872 is an abundant number, since it is smaller than the sum of its proper divisors (11056039488).

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

4026439872 is a wasteful number, since it uses less digits than its factorization.

4026439872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 4026439872 is about 63454.2344686310. The cubic root of 4026439872 is about 1590.8909306159.

The spelling of 4026439872 in words is "four billion, twenty-six million, four hundred thirty-nine thousand, eight hundred seventy-two".