3241862640 has 120 divisors (see below), whose sum is σ = 10911989088. Its totient is φ = 862533120.

The previous prime is 3241862609. The next prime is 3241862653. The reversal of 3241862640 is 462681423.

3241862640 is a `hidden beast` number, since 3 + 2 + 4 + 1 + 8 + 6 + 2 + 640 = 666.

3241862640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3241862595 and 3241862604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327037 + ... + 336803.

Almost surely, 2^3241862640 is an apocalyptic number.

3241862640 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 3241862640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5455994544).

3241862640 is an abundant number, since it is smaller than the sum of its proper divisors (7670126448).

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

3241862640 is a wasteful number, since it uses less digits than its factorization.

3241862640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 3241862640 is about 56937.3571567912. The cubic root of 3241862640 is about 1480.0107498610.

The spelling of 3241862640 in words is "three billion, two hundred forty-one million, eight hundred sixty-two thousand, six hundred forty".