4000383612 has 144 divisors (see below), whose sum is σ = 11036774112. Its totient is φ = 1265310720.

The previous prime is 4000383587. The next prime is 4000383637. The reversal of 4000383612 is 2163830004.

It is a happy number.

4000383612 is a `hidden beast` number, since 40 + 0 + 0 + 3 + 8 + 3 + 612 = 666.

4000383612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4000383587) and next prime (4000383637).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1473168 + ... + 1475880.

Almost surely, 2^4000383612 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 4000383612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5518387056).

4000383612 is an abundant number, since it is smaller than the sum of its proper divisors (7036390500).

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

4000383612 is a wasteful number, since it uses less digits than its factorization.

4000383612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4000383612 is about 63248.5858498038. The cubic root of 4000383612 is about 1587.4517958538.

The spelling of 4000383612 in words is "four billion, three hundred eighty-three thousand, six hundred twelve".