3245631642 has 144 divisors (see below), whose sum is σ = 8223677280. Its totient is φ = 921792960.

The previous prime is 3245631617. The next prime is 3245631643. The reversal of 3245631642 is 2461365423.

3245631642 is a `hidden beast` number, since 3 + 2 + 4 + 5 + 6 + 3 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3245631597 and 3245631606.

It is not an unprimeable number, because it can be changed into a prime (3245631643) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4427508 + ... + 4428240.

It is an arithmetic number, because the mean of its divisors is an integer number (57108870).

Almost surely, 2^3245631642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3245631642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4111838640).

3245631642 is an abundant number, since it is smaller than the sum of its proper divisors (4978045638).

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

3245631642 is a wasteful number, since it uses less digits than its factorization.

3245631642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 875 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3245631642 is about 56970.4453379118. The cubic root of 3245631642 is about 1480.5840831326.

The spelling of 3245631642 in words is "three billion, two hundred forty-five million, six hundred thirty-one thousand, six hundred forty-two".