3061218492 has 72 divisors (see below), whose sum is σ = 8225564256. Its totient is φ = 956596224.

The previous prime is 3061218491. The next prime is 3061218527. The reversal of 3061218492 is 2948121603.

3061218492 is a `hidden beast` number, since 30 + 612 + 1 + 8 + 4 + 9 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061218491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147553 + ... + 167015.

It is an arithmetic number, because the mean of its divisors is an integer number (114243948).

Almost surely, 2^3061218492 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 3061218492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4112782128).

3061218492 is an abundant number, since it is smaller than the sum of its proper divisors (5164345764).

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

3061218492 is a wasteful number, since it uses less digits than its factorization.

3061218492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747 (or 19742 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3061218492 is about 55328.2793153736. The cubic root of 3061218492 is about 1451.9938471611.

The spelling of 3061218492 in words is "three billion, sixty-one million, two hundred eighteen thousand, four hundred ninety-two".