3631806240 has 192 divisors, whose sum is σ = 12099290112. Its totient is φ = 914227200.

The previous prime is 3631806181. The next prime is 3631806253. The reversal of 3631806240 is 426081363.

3631806240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 607104 + ... + 613056.

It is an arithmetic number, because the mean of its divisors is an integer number (63017136).

Almost surely, 2^3631806240 is an apocalyptic number.

3631806240 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 3631806240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6049645056).

3631806240 is an abundant number, since it is smaller than the sum of its proper divisors (8467483872).

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

3631806240 is a wasteful number, since it uses less digits than its factorization.

3631806240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6035 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3631806240 is about 60264.4691339764. The cubic root of 3631806240 is about 1537.1192336232.

The spelling of 3631806240 in words is "three billion, six hundred thirty-one million, eight hundred six thousand, two hundred forty".