3912800240 has 80 divisors (see below), whose sum is σ = 9657988992. Its totient is φ = 1469140992.

The previous prime is 3912800237. The next prime is 3912800249. The reversal of 3912800240 is 420082193.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912800249) by changing a digit.

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, 536297 + ... + 543543.

Almost surely, 2^3912800240 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 3912800240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828994496).

3912800240 is an abundant number, since it is smaller than the sum of its proper divisors (5745188752).

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

3912800240 is a wasteful number, since it uses less digits than its factorization.

3912800240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674 (or 7668 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3912800240 is about 62552.3799707093. The cubic root of 3912800240 is about 1575.7811178752.

The spelling of 3912800240 in words is "three billion, nine hundred twelve million, eight hundred thousand, two hundred forty".