3261140022 has 96 divisors (see below), whose sum is σ = 8084748672. Its totient is φ = 871347456.

The previous prime is 3261140009. The next prime is 3261140033. The reversal of 3261140022 is 2200411623.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 812673 + ... + 816675.

It is an arithmetic number, because the mean of its divisors is an integer number (84216132).

Almost surely, 2^3261140022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261140022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4042374336).

3261140022 is an abundant number, since it is smaller than the sum of its proper divisors (4823608650).

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

3261140022 is a wasteful number, since it uses less digits than its factorization.

3261140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4195 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3261140022 is about 57106.3921290778. The cubic root of 3261140022 is about 1482.9385283439.

Adding to 3261140022 its reverse (2200411623), we get a palindrome (5461551645).

The spelling of 3261140022 in words is "three billion, two hundred sixty-one million, one hundred forty thousand, twenty-two".