4139453808 has 400 divisors, whose sum is σ = 14519070720. Its totient is φ = 1113523200.

The previous prime is 4139453789. The next prime is 4139453821. The reversal of 4139453808 is 8083549314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11530333 + ... + 11530691.

Almost surely, 2^4139453808 is an apocalyptic number.

4139453808 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 4139453808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7259535360).

4139453808 is an abundant number, since it is smaller than the sum of its proper divisors (10379616912).

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

4139453808 is a wasteful number, since it uses less digits than its factorization.

4139453808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4139453808 is about 64338.5872396962. The cubic root of 4139453808 is about 1605.6381565734.

The spelling of 4139453808 in words is "four billion, one hundred thirty-nine million, four hundred fifty-three thousand, eight hundred eight".