4000852840 has 64 divisors (see below), whose sum is σ = 9152352000. Its totient is φ = 1573716480.

The previous prime is 4000852813. The next prime is 4000852861. The reversal of 4000852840 is 482580004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245156 + ... + 1248364.

It is an arithmetic number, because the mean of its divisors is an integer number (143005500).

Almost surely, 2^4000852840 is an apocalyptic number.

4000852840 is a gapful number since it is divisible by the number (40) 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 4000852840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4576176000).

4000852840 is an abundant number, since it is smaller than the sum of its proper divisors (5151499160).

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

4000852840 is a wasteful number, since it uses less digits than its factorization.

4000852840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 4000852840 is about 63252.2951362241. The cubic root of 4000852840 is about 1587.5138605440.

The spelling of 4000852840 in words is "four billion, eight hundred fifty-two thousand, eight hundred forty".