3061949520 has 320 divisors, whose sum is σ = 11439267840. Its totient is φ = 662390784.

The previous prime is 3061949483. The next prime is 3061949521. The reversal of 3061949520 is 259491603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061949521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4211397 + ... + 4212123.

It is an arithmetic number, because the mean of its divisors is an integer number (35747712).

Almost surely, 2^3061949520 is an apocalyptic number.

3061949520 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 3061949520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5719633920).

3061949520 is an abundant number, since it is smaller than the sum of its proper divisors (8377318320).

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

3061949520 is a wasteful number, since it uses less digits than its factorization.

3061949520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 3061949520 is about 55334.8851991219. The cubic root of 3061949520 is about 1452.1094180990.

The spelling of 3061949520 in words is "three billion, sixty-one million, nine hundred forty-nine thousand, five hundred twenty".