3238140864 has 112 divisors (see below), whose sum is σ = 9807049728. Its totient is φ = 923716608.

The previous prime is 3238140827. The next prime is 3238140889. The reversal of 3238140864 is 4680418323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069657 + ... + 1072679.

It is an arithmetic number, because the mean of its divisors is an integer number (87562944).

Almost surely, 2^3238140864 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 3238140864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4903524864).

3238140864 is an abundant number, since it is smaller than the sum of its proper divisors (6568908864).

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

3238140864 is a wasteful number, since it uses less digits than its factorization.

3238140864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 3238140864 is about 56904.6646945573. The cubic root of 3238140864 is about 1479.4441642956. Note that the first 3 decimals are identical.

The spelling of 3238140864 in words is "three billion, two hundred thirty-eight million, one hundred forty thousand, eight hundred sixty-four".