3982335840 has 360 divisors, whose sum is σ = 16351517952. Its totient is φ = 910103040.

The previous prime is 3982335839. The next prime is 3982335887. The reversal of 3982335840 is 485332893.

3982335840 is a `hidden beast` number, since 39 + 8 + 2 + 33 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 631905 + ... + 638175.

Almost surely, 2^3982335840 is an apocalyptic number.

3982335840 is a gapful number since it is divisible by the number (30) 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 3982335840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8175758976).

3982335840 is an abundant number, since it is smaller than the sum of its proper divisors (12369182112).

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

3982335840 is a wasteful number, since it uses less digits than its factorization.

3982335840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6288 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 3982335840 is about 63105.7512434485. The cubic root of 3982335840 is about 1585.0609283733.

The spelling of 3982335840 in words is "three billion, nine hundred eighty-two million, three hundred thirty-five thousand, eight hundred forty".