4405878136 has 96 divisors (see below), whose sum is σ = 9366477120. Its totient is φ = 1940449280.

The previous prime is 4405878121. The next prime is 4405878143. The reversal of 4405878136 is 6318785044.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5140620 + ... + 5141476.

It is an arithmetic number, because the mean of its divisors is an integer number (97567470).

Almost surely, 2^4405878136 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 4405878136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4683238560).

4405878136 is an abundant number, since it is smaller than the sum of its proper divisors (4960598984).

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

4405878136 is a wasteful number, since it uses less digits than its factorization.

4405878136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 4405878136 is about 66376.7891359623. The cubic root of 4405878136 is about 1639.3719258651.

The spelling of 4405878136 in words is "four billion, four hundred five million, eight hundred seventy-eight thousand, one hundred thirty-six".