4000550334 has 64 divisors (see below), whose sum is σ = 8999907840. Its totient is φ = 1174849920.

The previous prime is 4000550329. The next prime is 4000550353. The reversal of 4000550334 is 4330550004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639132 + ... + 645360.

It is an arithmetic number, because the mean of its divisors is an integer number (140623560).

Almost surely, 2^4000550334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000550334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499953920).

4000550334 is an abundant number, since it is smaller than the sum of its proper divisors (4999357506).

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

4000550334 is a wasteful number, since it uses less digits than its factorization.

4000550334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 4000550334 is about 63249.9038260138. The cubic root of 4000550334 is about 1587.4738486940.

The spelling of 4000550334 in words is "four billion, five hundred fifty thousand, three hundred thirty-four".